Part 681

2. One who forms a purpose; one who intends.

Pur"po*sive (?), a. Having or indicating purpose or design. "Purposive characters." Bastian.

Purposive modification of structure in a bone.

Owen.

It is impossible that the frog should perform actions morepurposive than these.

Huxley.

Pur"pre (?), n. & a. Purple. [Obs.] Chaucer.

Pur*pres"ture (?), n. [Probably corrupted (see Prest) fr. OF. pourprisure, fr. pourprendre: cf. LL. purprestura. Cf. Purprise.] (Law) Wrongful encroachment upon another's property; esp., any encroachment upon, or inclosure of, that which should be common or public, as highways, rivers, harbors, forts, etc. [Written also pourpresture.]

Pur"prise (?), n. [OF. pourpris,fr. pourprendre to take away entirely; pour for + prendre to take.] A close or inclosure; the compass of a manor. Bacon.

||Pur"pu*ra (?), n. [L., purple, purple fish: cf. F. purpura. See ||Purple.] 1. (Med.) A disease characterized by livid spots on the skin ||from extravasated blood, with loss of muscular strength, pain in the ||limbs, and mental dejection; the purples. Dunglison.

2. (Zoˆl.) A genus of marine gastropods, usually having a rough and thick shell. Some species yield a purple dye.

Pur"pu*rate (?), a. Of or pertaining to purpura.

Pur"pu*rate, n. (Chem.) A salt of purpuric acid.

Pur"pure (?), n. [L. purpura purple. See Purple.] (Her.) Purple, -- represented in engraving by diagonal lines declining from the right top to the left base of the escutcheon (or from sinister chief to dexter base).

Pur*pu"re*al (?), a. Of a purple color; purple.

Pur*pu"re*o- (?). A combining form signifying of a purple or purple-red color. Specif. (Chem.), used in designating certain brilliant purple-red compounds of cobaltic chloride and ammonia, similar to the roseocobaltic compounds. See Cobaltic.

<! p. 1166 !>

Pur*pu"ric (?), a. [Cf. F. purpurique.]

1. (Med.) Of or pertaining to purpura. Dunglison.

2. (Chem.) Pertaining to or designating, a nitrogenous acid contained in uric acid. It is not known in the pure state, but forms well-known purple-red compounds (as murexide), whence its name.

Purpuric acid was formerly used to designate murexan. See Murexan.

Pur"pu*rin (?), n. (Chem.) A dyestuff resembling alizarin, found in madder root, and extracted as an orange or red crystalline substance.

Pur`pu*rip"a*rous (?), a. [L. purpura purple + parere to produce.] (Biol.) Producing, or connected with, a purple-colored secretion; as, the purpuriparous gland of certain gastropods.

Pur`pu*rog"e*nous (?), a. [L. purpura purple + -genous.] (Biol.) Having the power to produce a purple color; as, the purpurogenous membrane, or choroidal epithelium, of the eye. See Visual purple, under Visual.

Purr (?), v. i. & t. To murmur as a cat. See Pur.

Purr, n. The low murmuring sound made by a cat; pur. See Pur.

Purre (?), n. (Zoˆl.) The dunlin. [Prov. Eng.]

Pur"ree (?), n. [Hind. peori yellow.] (Chem.) A yellow coloring matter. See Euxanthin.