Pseudomorphous crystal, one which has a form that does not result from its own powers of crystallization.

Pseudonavicella
(||Pseu`do*nav`i*cel"la) n.; pl. Pseudonavicullæ [NL.] (Zoöl.) Same as Pseudonavicula.

Pseudonavicula
(||Pseu`do*na*vic"u*la) n.; pl. Pseudonaviculæ [NL., fr. Gr. pseydh`s false + NL. navicula, a genus of diatoms. See Navicular.] (Zoöl.) One of the minute spindle-shaped embryos of Gregarinæ and some other Protozoa.

Pseudoneuroptera
(||Pseu`do*neu*rop"te*ra) n. pl. [NL. See Pseudo-, and Neuroptera.] (Zoöl.) division of insects (Zoöl.) reticulated wings, as in the Neuroptera, but having an active pupa state. It includes the dragon flies, May flies, white ants, etc. By some zoölogists they are classed with the Orthoptera; by others, with the Neuroptera.

Pseudoneuropterous
(Pseu`do*neu*rop"ter*ous) a. (Zool.) Of or pertaining to the Pseudoneuroptera.

Pseudonym
(Pseu"do*nym) n. [Cf. F. pseudonyme. See Pseudonymous.] A fictitious name assumed for the time, as by an author; a pen name. [Written also pseudonyme.]

Pseudonymity
(Pseu`do*nym"i*ty) n. The using of fictitious names, as by authors.

Pseudonymous
(Pseu*don"y*mous) a. [Gr. pseydh`s false + a name: cf. F. pseudonyme. See Pseudo- , and Name.] Bearing a false or fictitious name; as, a pseudonymous work.Pseu*don"y*mous*ly, adv.Pseu*don"y*mous*ness, n.

Pseudo-peripteral
(Pseu`do-pe*rip"ter*al) a. [Pseudo- + peripteral: cf. F. pseudopériptère.] (Arch.) Falsely or imperfectly peripteral, as a temple having the columns at the sides attached to the walls, and an ambulatory only at the ends or only at one end.n. A pseudo-peripteral temple. Oxf. Gloss.

Pseudopod
(||Pseu"do*pod) n. [Pseudo- + -pod.]

1. (Biol.) Any protoplasmic filament or irregular process projecting from any unicellular organism, or from any animal or plant call.

2. (Zoöl.) A rhizopod.

Pseudopodial
(Pseu`do*po"di*al) a. Of or pertaining to a pseudopod, or to pseudopodia. See Illust. of Heliozoa.

Pseudopodium
(||Pseu`do*po"di*um) n.; pl. Pseudopodia [NL.] Same as Pseudopod.

Pseudopupa
(||Pseu`do*pu"pa) n.; pl. L. Pseudopupæ E. Pseudopupas [NL. See Pseudo-, and Pupa.] (Zoöl.) A stage intermediate between the larva and pupa of bees and certain other hymenopterous insects.

Pseudomorph
(Pseu"do*morph) n. [See Pseudomorphous.]

1. An irregular or deceptive form.

2. (Crystallog.) A pseudomorphous crystal, as a crystal consisting of quartz, but having the cubic form of fluor spar, the fluor crystal having been changed to quartz by a process of substitution.

Pseudomorphism
(Pseu`do*mor"phism) n. (Crystallog.) The state of having, or the property of taking, a crystalline form unlike that which belongs to the species.

Pseudomorphous
(Pseu`do*mor"phous) a. [Gr. pseydh`s false + form: cf. F. pseudomorphe.] Not having the true form.

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