n. the intentional prevention of conception or impregnation, especially when accomplished by the use of contraceptive medications or devices; a form of birth control. [ WordNet 1.5 ]

adj. capable of preventing conception or impregnation; as, contraceptive devices and medications.
Syn. -- prophylactic. [ WordNet 1.5 ]

n. a substance or device used to prevent conception.
Syn. -- preventive, preventative, contraceptive device, prophylactic device, prophylactic. [ WordNet 1.5 ]

n. a natural family of heathlike shrubs including the crowberry (Empetrum nigrum).
Syn. -- family Empetraceae, crowberry family. [ WordNet 1.5 +PJC ]

adj. located or occurring outside of a living cell or cells; as, extracellular fluid. Opposite of intracellular. [ WordNet 1.5 ]

a. (Biol.) Within a cell; as, the intracellular movements seen in the pigment cells, the salivary cells, and in the protoplasm of some vegetable cells; intracellular enzymes. Contrasted with extracellular. [ 1913 Webster +PJC ]

a. Incapable of being retraced; not retraceable. [ 1913 Webster ]

{ } n. (Bot.) A name given to several species of the orchidaceous genus Spiranthes, in which the white flowers are set in spirals about a slender axis and remotely resemble braided hair. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. 'o`strakon shell of a testacean. ] (Zool.) A division of bivalve mollusks including the oysters and allied shells. [ 1913 Webster ]

n. [ L. ostrea an oyster. See Oyster. ] (Zool.) Any one of a family of bivalves, of which the oyster is the type. [ 1913 Webster ]

v. t. [ Pref. re- + trace: cf. F. retracer. Cf. Retract. ] 1. To trace back, as a line. [ 1913 Webster ]

Then if the line of Turnus you retrace,
He springs from Inachus of Argive race. Driden. [ 1913 Webster ]

2. To go back, in or over (a previous course); to go over again in a reverse direction; as, to retrace one's steps; to retrace one's proceedings. [ 1913 Webster ]

3. To trace over again, or renew the outline of, as a drawing; to draw again. [ 1913 Webster ]

n. [ F. trais. pl. of trait. See Trait. ] 1. One of two straps, chains, or ropes of a harness, extending from the collar or breastplate to a whiffletree attached to a vehicle or thing to be drawn; a tug. [ 1913 Webster ]

2. (Mech.) A connecting bar or rod, pivoted at each end to the end of another piece, for transmitting motion, esp. from one plane to another; specif., such a piece in an organ-stop action to transmit motion from the trundle to the lever actuating the stop slider. [ Webster 1913 Suppl. ]

n. [ F. trace. See Trace, v. t. ] 1. A mark left by anything passing; a track; a path; a course; a footprint; a vestige; as, the trace of a carriage or sled; the trace of a deer; a sinuous trace. Milton. [ 1913 Webster ]

2. (Chem. & Min.) A very small quantity of an element or compound in a given substance, especially when so small that the amount is not quantitatively determined in an analysis; -- hence, in stating an analysis, often contracted to tr. [ 1913 Webster ]

3. A mark, impression, or visible appearance of anything left when the thing itself no longer exists; remains; token; vestige. [ 1913 Webster ]

The shady empire shall retain no trace
Of war or blood, but in the sylvan chase. Pope. [ 1913 Webster ]

4. (Descriptive Geom. & Persp.) The intersection of a plane of projection, or an original plane, with a coordinate plane. [ 1913 Webster ]

5. (Fort.) The ground plan of a work or works. [ 1913 Webster ]

Syn.-Vestige; mark; token. See Vestige. [ 1913 Webster ]

v. t. [ imp. & p. p. traced p. pr. & vb. n. tracing. ] [ OF. tracier, F. tracer, from (assumed) LL. tractiare, fr.L. tractus, p. p. of trahere to draw. Cf. Abstract, Attract, Contract, Portratt, Tract, Trail, Train, Treat. ] 1. To mark out; to draw or delineate with marks; especially, to copy, as a drawing or engraving, by following the lines and marking them on a sheet superimposed, through which they appear; as, to trace a figure or an outline; a traced drawing. [ 1913 Webster ]

Some faintly traced features or outline of the mother and the child, slowly lading into the twilight of the woods. Hawthorne. [ 1913 Webster ]

2. To follow by some mark that has been left by a person or thing which has preceded; to follow by footsteps, tracks, or tokens. Cowper. [ 1913 Webster ]

You may trace the deluge quite round the globe. T. Burnet. [ 1913 Webster ]

I feel thy power . . . to trace the ways
Of highest agents. Milton. [ 1913 Webster ]

3. Hence, to follow the trace or track of. [ 1913 Webster ]

How all the way the prince on footpace traced. Spenser. [ 1913 Webster ]

4. To copy; to imitate. [ 1913 Webster ]

That servile path thou nobly dost decline,
Of tracing word, and line by line. Denham. [ 1913 Webster ]

5. To walk over; to pass through; to traverse. [ 1913 Webster ]

We do tracethis alley up and down. Shak. [ 1913 Webster ]

v. i. To walk; to go; to travel. [ Obs. ] [ 1913 Webster ]

Not wont on foot with heavy arms to trace. Spenser. [ 1913 Webster ]

a. Capable of being traced. -- Trace"a*ble*ness, n. -- Trace"a/bly, adv. [ 1913 Webster ]

n. One who, or that which, traces. [ 1913 Webster ]

2. A person engaged (esp. in the express or railway service) in tracing, or searching out, missing articles, as packages or freight cars. [ Webster 1913 Suppl. ]

3. An inquiry sent out (esp. in transportation service) for a missing article, as a letter or an express package. [ Webster 1913 Suppl. ]

4. (Mil.) a type of ammunition that emits light or smoke as it moves toward its target, providing a visible path of the projectile in flight so that the point of impact may be observed; -- called also tracer ammunition. [ PJC ]

5. (Mil.) the chemical substance used in tracer ammunition to cause it to be visible in flight. [ PJC ]

6. a chemical substance with properties, such as radioactivity or fluorescence, which make it easily measurable, used to observe the movements of chemically related substances through a biological, physical, or chemical system; -- in biochemistry, also called labeled compounds. Radioactive tracers are used, for example, to measure the retention or distribution of residues of drugs after administration to an animal, to determine the type and rate of metabolism; also, to measure the rate of motion of molecules in electrophoresis or the leakage of small quantities of material from a container. Small fluorescent tracers may be attached in many cases to macromolecules such as proteins or nucleic acids, allowing the motions of such macromolecules to be easily observed by their acquired fluorescence, without appreciably changing their properties. In biological and biochemial systems the common radioactive isotopes used in tracers are carbon-14, tritium (hydrogen-3), sulfur-35, phosphorus-32, and iodine-131; other isotopes are also used, including non-radioactive isotopes such as carbon-13. [ PJC ]

n.; pl. Traceries /plu> (Arch.) 1. Ornamental work with rambled lines. Especially: -- (a) The decorative head of a Gothic window. [ 1913 Webster ]

☞ Window tracery is of two sorts, plate tracery and bar tracery. Plate tracery, common in Italy, consists of a series of ornamental patterns cut through a flat plate of stone. Bar tracery is a decorative pattern formed by the curves and intersections of the molded bars of the mullions. Window tracery is imitated in many decorative objects, as panels of wood or metal either pierced or in relief. See also Stump tracery under Stump, and Fan tracery under Fan. [ 1913 Webster ]

(b) A similar decoration in some styles of vaulting, the ribs of the vault giving off the minor bars of which the tracery is composed. [ 1913 Webster ]

2. A tracing of lines; a system of lines produced by, or as if by, tracing, esp. when interweaving or branching out in ornamental or graceful figures. “Knit with curious tracery.” Burns. [ Webster 1913 Suppl. ]

See obnoxious.
See observable.
See observant.
See obstructive.
See obvious.
See official.
See officious.
See oppressive.
See ordinary.
See ordinate.
See original.
See ornamental.
See orthodox.
See ostentatious.
See pacifiable.
See pacific.
See painful.
See palatable.
See parallelable.
See pardonable.
See partable.
See participant.
See passionate.
See pastoral.
See pathetic.
See patriotic.
See peaceable.
See peaceful.
See pedantic.
See perceivable.
See perceptible.
See perilous.
See permanent.
See personable.
See perspirable.
See persuadable.
See persuasive.
See philanthropic.
See philosophic.
See philosophical.
See physical.
See picturesque.
See pierceable.
See pitiful.
See plain.
See plausible.
See plausive.
See pleadable.
See pleasurable.
See pliable.
See pliant.
See plumb.
See poetic.
See poetical.
See political.
See popular.
See populous.
See portable.
See potable.
See precarious.
See precise.
See pregnant.
See prejudicate.
See prelatical.
See premeditable.
See presentable.
See preservable.
See presumptuous.
See pretentious.
See pretty.
See prevalent.
See priestly.
See primitive.
See princely.
See procurable.
See producible.
See productive.
See professional.
See profitable.
See prolific.
See pronounceable.
See prophetic.
See propitious.
See proportionable.
See proportionate.
See prosperous.
See provable.
See punctilious.
See punctual.
See punishable.
See pure.
See qualifiable.
See quenchable.
See quiet.
See rational.
See readable.
See reasonable.
See recallable.
See reclaimable.
See recognizable.
See reconcilable.
See recoverable.
See recumbent.
See reformable.
See refusable.
See regardable.
See regardant.
See relative.
See relievable.
See reluctant.
See remarkable.
See remediable.
See rememberable.
See remorseful.
See removable.
See remunerative.
See repairable.
See repealable.
See repentant.
See reprovable.
See repugnant.
See requisite.
See requitable.
See resolvable.
See respectable.
See restful.
See retentive.
See returnable.
See revengeful.
See ridable.
See ridiculous.
See rightful.
See romantic.
See rough.
See royal.
See ruinable.
See ruly.
See sacrificial.
See safe.
See sage.
See sailable.
See salable.
See sane.
See sanguine.
See sanitary.
See satisfactory.
See satisfiable.
See saturable.
See savory.
See scalable.
See scaly.
See scholarly.
See scholastic.
See scientific.
See scornful.
See scriptural.
See sculptural.
See seaworthy.
See sectarian.
See secular.
See sedentary.
See selfish.
See sentient.
See sentimental.
See serviceable.
See severe.
See shamefaced.
See shamefast.
See shapely.
See shy.
See sick.
See sicker.
See sightly.
See simple.
See sinewy.
See sizable.
See sleek.
See slumberous.
See sly.
See smooth.
See smotherable.
See smutty.
See sober.
See sociable.
See social.
See solemn.
See soliciutous.
See solvable.
See speakable.
See speedy.
See spiritual.
See spontaneous.
See sportful.
See sportsmanlike.
See statutable.
See steadfast.
See steady.
See stormy.
See stout.
See strong.
See subduable.
See subject.
See submissive.
See subordinate.
See substantial.
See successive.
See succorable.
See suggestive.
See suitable.
See sunny.
See superfluous.
See supple.
See sure.
See surpassable.
See susceptible.
See suspect.
See suspectable.
See suspicious.
See sustainable.
See sweet.
See syllogistical.
See symbolic.
See sympathetic.
See systematic.
See tamable.
See tame.
See teachable.
See technical.
See tellable.
See tenable.
See tender.
See terrestrial.
See terrific.
See thankful.
See theological.
See thinkable.
See thirsty.
See thorny.
See thoughtful.
See tidy.
See tillable.
See toothsome.
See touchable.
See traceable.
See tractable.
See tragic.
See tranquil.
See transferable.
See translatable.
See transmutable.
See transparent.
See transpassable.
See traversable.
See tremulous.
See trimphant.
See trustworthy.
See trusty.
See tumultous.
See tunable.
See uniform.
See usable.
See useful.
See vanquishable.
See variant.
See venerable.
See venomous.
See veracious.
See verdant.
See veritable.
See vigilant.
See vigorous.
See virtuous.
See vital.
See vitrifiable.
See vocal.
See voidable.
See voluptuous.
See voyageable.
See vulgar.
See walkable.
See warlike.
See watchful.
See watery.
See wealthy.
See wearable.
See weary.
See welcome.
See wet.
See wholesome.
See wieldsome.
See willful.
See wily.
See witty.
See womanly.
See workable.
See workmanlike.
See worldly.
See worshipful.
See wrathful.
See writable.
See zealous.
------ and the like.
[ 1913 Webster ]

v. t. To trace up or out. [ 1913 Webster ]