English dictionary: words starting with octo - page 1

adjective

Relating to or based on the number eight.

Usage examples:

Base 8 is called octonary or octal.

noun

A type of hypercomplex number with eight coefficients, having the form x = x0 + x1e1 + x2e2 + x3e3 + x4e4 + x5e5 + x6e6 + x7e7, where the xn are real numbers and the en are imaginary units which, in conjunction with 1 and −1, form a closed, non-commutative, non-associative system under multiplication. compare "octad", "octave".

adjective

Divided into or consisting of eight parts. formerly: (law) †(of a contract, indenture, etc.) drawn up in eight corresponding parts, one for each party (obsolete).

adjective

Relating to or like (that of) an octopus; octopoid.

noun

An eight-footed animal or thing.

noun

A sea creature with a soft oval body and eight tentacles (= arms)

noun

An amino acid of the opine group, c₉ h₁₈ n₄ o₄, found in the tissues of some cephalopods and lamellibranch molluscs and also synthesized by plant cells infected by certain strains of the crown gall pathogen agrobacterium tumefaciens.

adjective

Containing eight homologous sets of chromosomes (i.e. four times the diploid complement); made up of somatic cells of this kind.

noun

An octoploid individual, type, or species.

noun

The state or condition of being octoploid.

noun

A cephalopod mollusc of the order octopoda ; an octopus.

plural noun

An order of cephalopod molluscs that comprises the octopuses.

Usage examples:

These included the superorders octopodiformes and decapodiformes, the order octopoda, the octopod s…

adjective

Of or relating to cephalopod molluscs of the order octopoda; = "octopod".

adjective

Originally: of, relating to, or designating the order octopoda of cephalopod molluscs, comprising the octopuses; = "octopod". later (also): = "octopoid".

noun

A cephalopod mollusc of the order octopoda ; an octopus.

noun

A cephalopod mollusc with eight sucker-bearing arms, a soft body, strong beaklike jaws, and no internal shell.

Usage examples:

He compares the octopus to the other cephalopods - cuttlefish, crayfish, and the like.

noun

A cephalopod mollusc with eight sucker-bearing arms, a soft body, strong beaklike jaws, and no internal shell.

Usage examples:

He compares the octopus to the other cephalopods - cuttlefish, crayfish, and the like.

adjective

Having or consisting of eight rays.

noun

A person who is one-eighth black by descent.

Usage examples:

He has no trouble referring to ‘full-bloods’, ‘half-castes’, ‘octoroons’.

noun

A person who is one-eighth black by descent.

Usage examples:

He has no trouble referring to ‘full-bloods’, ‘half-castes’, ‘octoroons’.

noun

Any monosaccharide having eight carbon atoms in the molecule, especially when these are all in an unbranched chain.

noun

Any of a group of eight spores derived from a single progenitor cell.

adjective

Producing spores in groups of eight.

adjective

Designating or relating to a spiral arrangement of leaves in which there are eight leaves in each turn of the spiral about the stem, and thus eight vertical rows of leaves in the phyllotaxis.

adjective

Having or written in lines that have eight syllables.

Usage examples:

His most powerful satirical weapon is his style, the deliberately cumbersome octosyllabic metre and…

noun

A word or line of verse with eight syllables.

Usage examples:

Meyer's version employs a spare free verse that is very ibsenish, even though ibsen composed here i…