Part 638

||Pseu`do*cú"li*a (?), n. [NL., fr. Gr. pseydh`s false + &?; hollow.] ||(Anat.) The fifth ventricle in the mammalian brain. See Ventricle. B. ||G. Wilder.

Pseu"do-cone` (?), n. [Pseudo- + cone.] (Zoˆl.) One of the soft gelatinous cones found in the compound eyes of certain insects, taking the place of the crystalline cones of others.

Pseu`do-cu"mene (?), n. [Pseudo- + cumene.] (Chem.) A hydrocarbon of the aromatic series, metameric with mesitylene and cumene, found in coal tar, and obtained as a colorless liquid.

Pseu`do-dip"ter*al (?), a. [Pseudo- + dipteral: cf. F. pseudodiptËre.] (Arch.) Falsely or imperfectly dipteral, as a temple with the inner range of columns surrounding the cella omitted, so that the space between the cella wall and the columns is very great, being equal to two intercolumns and one column. -- n. A pseudo-dipteral temple.

Pseu"do*dox (?), a. [Gr. pseydo`doxos; pseydh`s false + do`xa an opinion.] Not true in opinion or doctrine; false. -- n. A false opinion or doctrine. "To maintain the atheistical pseudodox which judgeth evil good, and darkness light." T. Adams.

||Pseu`do*fi*la"ri*a (?), n.; pl. Pseudofilari&?; (#). [NL. See ||Pseudo-, and Filaria.] (Zoˆl.) One of the two elongated vibratile ||young formed by fission of the embryo during the development of ||certain GregarinÊ.

Pseu`do-ga*le"na (?), n. [Pseudo- + galena.] (Min.) False galena, or blende. See Blende (a).

Pseu"do*graph (?), n. [See Pseudography.] A false writing; a spurious document; a forgery.

Pseu*dog"ra*phy (?), n. [Gr. &?;; pseydh`s false + &?; to write.] False writing; forgery.

||Pseu`do*hal"ter (?), n.; pl. Pseudohalteres (#). [NL. See Pseudo-, ||and Halteres.] (Zoˆl.) One of the rudimentary front wings of certain ||insects (Stylops). They resemble the halteres, or rudimentary hind ||wings, of Diptera.

Pseu"do-heart` (?), n. [Pseudo- + heart.] (Zoˆl.) Any contractile vessel of invertebrates which is not of the nature of a real heart, especially one of those pertaining to the excretory system.

Pseu`do-hy`per*thoph"ic (?), a. [Pseudo- + hypertrophic.] (Med.) Falsely hypertrophic; as, pseudo-hypertrophic paralysis, a variety of paralysis in which the muscles are apparently enlarged, but are really degenerated and replaced by fat.

Pseu*dol"o*gist (?), n. [Gr. &?;.] One who utters falsehoods; a liar.

Pseu*dol"o*gy (?), n. [Gr. &?;; pseydh`s false + &?; speech: cf. F. pseudologie.] Falsehood of speech. Arbuthnot.

Pseu`do-me*tal"lic (?), a. [Pseudo- + metallic.] Falsely or imperfectly metallic; -- said of a kind of luster, as in minerals.

Pseu`do-mon`o*cot`y*led"on*ous (?), a. [Pseudo- + monocotyledonous.] (Bot.) Having two coalescent cotyledons, as the live oak and the horse- chestnut.

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.

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.

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

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

||Pseu`do*nav`i*cel"la (?), n.; pl. PseudonavicullÊ (#). [NL.] (Zoˆl.) ||Same as Pseudonavicula.

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

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

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

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.]

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

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.