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Worder Dictionary

All English words - page 4361

Meanings of Protopodite:

noun

The basal segments of the biramous limb or appendage of a crustacean.

Usage examples:

Crustacean biramous appendages have a basal or first portion referred to as the protopod.

Protopods

prəʊˈtɒpədʌɪt

Meanings of Protopods:

noun

The basal segments of the biramous limb or appendage of a crustacean.

Usage examples:

Crustacean biramous appendages have a basal or first portion referred to as the protopod.

Meanings of Protopope:

noun

In the orthodox and eastern catholic churches: a senior priest; an archpriest.

Meanings of Protoporphyrin:

noun

Any of a group of fifteen isomeric porphyrins having the formula c₃₄ h₃₄ n₄ o₄, in which the porphin nucleus has four methyl, two vinyl, and two propionic acid substituents; especially (more fully "protoporphyrin ix") the isomer which occurs widely in living organisms, mainly as haem (in which it is bonded to an iron atom).

Meanings of Protoproteose:

noun

A polypeptide produced by partial proteolysis.

Meanings of Protopyramid:

noun

The primitive pyramid of a crystal system, in which the horizontal axes of the system intersect the edges of the pyramid (as opposed to one in which the axes intersect the faces midway between the edges).

Meanings of Protorosaur:

noun

An early fossil reptile of the genus protorosaurus or the order protorosauria (now often called araeoscelidia).

Meanings of Protorosaurian:

adjective

Of, relating to, or designating fossil reptiles of the genus protorosaurus and their allies; specifically belonging to the order protorosauria.

Meanings of Protorosaurus:

noun

A genus of diapsid reptiles known from european fossils of the late permian period, which are among the earliest known reptiles; (also protorosaurus) a reptile of this genus.

Meanings of Protosalt:

noun

A salt in which the anion occurs in the smallest possible proportion relative to the metal cation (i.e. in which the metal occurs in its lowest oxidation state).

Meanings of Protoscientific:

adjective

Of or relating to primitive science, or an early stage in the development of modern science.

Meanings of Protospore:

noun

Originally: an early stage in fungal spore development believed to be analogous to the prothallus in ferns. in later use: specifically a uninucleate segment formed by the cleavage of a multinucleate mass of cytoplasm from which the spore or sporangium develops.

Meanings of Protostar:

noun

A contracting mass of gas which represents an early stage in the formation of a star, before nucleosynthesis has begun.

Usage examples:

Elongated chains of dust grains like these appear in the early stages of planet formation around a …

Meanings of Protostele:

noun

A type of stele typical of primitive plants (still found in, e.g., the seedling stages of many ferns) that lacks pith and consists of a solid core of xylem surrounded by a cylinder of phloem.

Meanings of Protostelic:

adjective

Of or relating to a protostele; possessing a protostele.

Protostome

ˈprəʊtə(ʊ)stəʊm

Meanings of Protostome:

noun

A multicellular organism whose mouth develops from a primary embryonic opening, such as an annelid, mollusc, or arthropod.

Usage examples:

These animals are all protostomes - the mouth develops before the anus in the young embryo - and th…

Meanings of Protosulphate:

noun

A sulphate in which the sulphate anion occurs in its smallest possible proportion relative to the other element (i.e. one in which the other element occurs in its lowest oxidation state). compare "proto-", persulphate .

Meanings of Prototheca:

noun

(in a stony coral) a cup-shaped basal skeletal plate which is formed at the start of the development of the colony.

Meanings of Prototheme:

noun

The first element in a dithematic name.

Meanings of Protothere:

noun

Prototherian.

Prototheria

ˌprəʊtə(ʊ)ˈθɪərɪə

Meanings of Prototheria:

plural noun

A group of mammals that comprises the monotremes and their extinct relatives.

Usage examples:

They are often placed in a separate subclass from other mammals, prototheria.

Meanings of Prototherian:

noun

A mammal of the group prototheria, which comprises the monotremes and their extinct relatives.

Usage examples:

Extant mammals, including prototherians (egg-laying mammals) and therians (marsupial and placental …
adjective

Relating to or denoting prototherians.

Usage examples:

They had a common ancestor more recently than either had with the monotremes or, probably, any othe…

Meanings of Prototraitor:

noun

A first or early traitor; a person who has the potential to become a traitor.

Meanings of Prototroch:

noun

(in a trochophore larva) a ring of cilia encircling the body posterior to the apical tuft.

Meanings of Prototroph:

noun

A prototrophic microorganism.

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