Worder - English dictionary
Worder Dictionary

All English words - page 4373

Meanings of Prothoraxes:

noun

The anterior segment of the thorax of an insect, not bearing any wings.

Usage examples:

Relative to the foundress, soldiers have an enlarged prothorax and fore femora, reduced wings and a…

Meanings of Prothrombin:

noun

A protein present in blood plasma which is converted into active thrombin during coagulation.

Usage examples:

Contact with tissue factor triggers the coagulation cascade, resulting in the conversion of prothro…

Meanings of Prothyl:

noun

A hypothetical original undifferentiated matter from which the chemical elements were supposed to derive.

Meanings of Protid:

noun

A protein, a peptide, an amino acid.

Meanings of Protide:

noun

A protein, a peptide, an amino acid.

Protista

prəʊˈtɪstə

Meanings of Protista:

plural noun

A kingdom or large grouping that comprises mostly single-celled organisms such as the protozoa, simple algae and fungi, slime moulds, and (formerly) the bacteria. they are now divided among up to thirty phyla, and some have both plant and animal characteristics.

Usage examples:

This kingdom does not contain the prokaryotes (kingdom monera, includes bacteria, blue-green algae)…

Meanings of Protistologist:

noun

An expert in or student of protistology.

Meanings of Protists:

noun

A single-celled organism of the kingdom protista, such as a protozoan or simple alga.

Usage examples:

Protists living in the surface layers of soil

Protium

ˈprəʊ.ti.əm

Meanings of Protium:

noun

The common, stable isotope of hydrogen, as distinct from deuterium and tritium.

Usage examples:

The three isotopes are sometimes known by the names of protium, deuterium, and tritium.

Meanings of Proto:

Original or primitive.

Usage examples:

Prototherian
prefix

First, especially from which other similar things develop; original

Usage examples:

Protoplasm, a prototype

Meanings of Protoamphibian:

noun

A member of the proamphibia; an early amphibian.

Meanings of Protoarchitect:

noun

A chief or principal architect (now historical).

Meanings of Protocanonical:

adjective

Of, relating to, or designating those books of scripture accepted into the biblical canon at an early date with little or no debate. opposed to deuterocanonical.

Meanings of Protocatechuic:

adjective

"protocatechuic acid" an organic acid having a structure related to, but simpler than, that of catechuic acid (catechin).

Meanings of Protoceratops:

noun

A small quadrupedal dinosaur of the late cretaceous period, having a bony frill above the neck and probably ancestral to triceratops.

Usage examples:

He braved civil war, bandit armies, wolves, and sandstorms to uncover the first fossils of the prot…

Meanings of Protocercal:

adjective

(in fishes) of, relating to, or designating a tail of a primitive (or larval) type, in which the end of the vertebral column is straight and the caudal fin is symmetrical and often continuous with the dorsal and anal fins; compare "heterocercal", "homocercal".

Meanings of Protocerebrum:

noun

The anterior region of the brain of an arthropod.

Meanings of Protochlorophyll:

noun

A naturally occurring photoactive precursor of chlorophyll.

Meanings of Protochordata:

noun

Any of the small marine animals belonging to the phylum hemichordata or to either of the chordate subphyla urochordata and cephalochordata, characterized (at some point in the life cycle) by a hollow dorsal nerve cord, a notochord, and gill slits; a hemichordate, urochordate, or cephalochordate, or a hypothetical ancestral form of any of these.

adjective

Of or designating a protochordate.

Meanings of Protochordate:

noun

Any of the small marine animals belonging to the phylum hemichordata or to either of the chordate subphyla urochordata and cephalochordata, characterized (at some point in the life cycle) by a hollow dorsal nerve cord, a notochord, and gill slits; a hemichordate, urochordate, or cephalochordate, or a hypothetical ancestral form of any of these.

adjective

Of or designating a protochordate.

Meanings of Protocneme:

noun

In zoantharian coelenterates, especially sea anemones and stony corals: any of the primary mesenteries, which are usually arranged in six pairs.

Meanings of Protococcal:

adjective

Of or relating to the genus protococcus.

Meanings of Protococcoid:

adjective

Having the form of or resembling an alga of the genus protococcus.

Meanings of Protococcus:

noun

A genus of the family ctenocladaceae (formerly protococcaceae) of unicellular freshwater green algae, chiefly of spherical shape; (also protococcus) an alga of this genus.

Protocol

ˈprəʊ.tə.kɒl

Meanings of Protocol:

noun

The official procedure or system of rules governing affairs of state or diplomatic occasions.

Usage examples:

Protocol forbids the prince from making any public statement in his defence

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