PPage 456
- English Word Protopterus Definition See Komtok.
- English Word Protosalt Definition A salt derived from a protoxide base.
- English Word Protosilicate Definition A silicate formed with the lowest proportion of silicic acid, or having but one atom of silicon in the molecule.
- English Word Protosomite Definition One of the primitive segments, or metameres, of an animal.
- English Word Protosulphide Definition That one of a series of sulphides of any element which has the lowest proportion of sulphur; a sulphide with but one atom of sulphur in the molecule.
- English Word Protosulphuret Definition A protosulphide.
- English Word Prototheria Definition Same as Monotremata.
- English Word Prototracheata Definition Same as Malacopoda.
- English Word Prototype Definition An original or model after which anything is copied; the pattern of anything to be engraved, or otherwise copied, cast, or the like; a primary form; exemplar; archetype.
- English Word Protovertebra Definition One of the primitive masses, or segments, into which the mesoblast of the vertebrate embryo breaks up on either side of the anterior part of the notochord; a mesoblastic, or protovertebral, somite. See Illust. of Ectoderm.
- English Word Protovertebrae Definition of Protovertebra
- English Word Protovertebral Definition Of or pertaining to the protovertebrae.
- English Word Protoxide Definition That one of a series of oxides having the lowest proportion of oxygen. See Proto-, 2 (b).
- English Word Protoxidize Definition To combine with oxygen, as any elementary substance, in such proportion as to form a protoxide.
- English Word Protozoa Definition The lowest of the grand divisions of the animal kingdom.
- English Word Protozoa Definition of Protozoon
- English Word Protozoan Definition Of or pertaining to the Protozoa.
- English Word Protozoan Definition One of the Protozoa.
- English Word Protozoic Definition Of or pertaining to the Protozoa.
- English Word Protozoic Definition Containing remains of the earliest discovered life of the globe, which included mollusks, radiates and protozoans.
- English Word Protozoon Definition One of the Protozoa.
- English Word Protozoon Definition A single zooid of a compound protozoan.
- English Word Protozoonite Definition One of the primary, or first-formed, segments of an embryonic arthropod.
- English Word Protracheata Definition Same as Malacopoda.
- English Word Protract Definition To draw out or lengthen in time or (rarely) in space; to continue; to prolong; as, to protract an argument; to protract a war.
- English Word Protract Definition To put off to a distant time; to delay; to defer; as, to protract a decision or duty.
- English Word Protract Definition To draw to a scale; to lay down the lines and angles of, with scale and protractor; to plot.
- English Word Protract Definition To extend; to protrude; as, the cat can protract its claws; -- opposed to retract.
- English Word Protract Definition Tedious continuance or delay.
- English Word Protracted Definition of Protract