English dictionary: words starting with opis

noun

A hand-held instrument for measuring the length of curved lines, especially on a map, usually having at its tip a small rotating wheel that is rolled along the line to be measured; a map-measurer.

noun

The midpoint of the posterior border of the foramen magnum.

noun

A marine mollusc of a group that includes the sea slugs and sea hares. they have a small or absent shell and are typically brightly coloured with conspicuous external gills.

plural noun

A group of molluscs which includes the sea slugs and sea hares. they have a small or absent shell and are typically brightly coloured with conspicuous external gills.

Usage examples:

The latter group includes radically modified animals, the opisthobranchia and pulmonata, which unde…

adjective

Opisthobranch.

adjective

= opisthocoelous . also in extended use.

adjective

Designating or relating to vertebrae whose centra are concave posteriorly.

noun

= opisthodomos .

noun

An apartment or vestibule (typically open) at the rear of an ancient greek temple, situated within the portico and abutting the cella.

noun

An apartment or vestibule (typically open) at the rear of an ancient greek temple, situated within the portico and abutting the cella.

noun

An apartment or vestibule (typically open) at the rear of an ancient greek temple, situated within the portico and abutting the cella.

adjective

(of a snake) having back teeth only.

adjective

Designating or situated on the underside (venter) of the opisthosoma of certain mites.

adjective

= opisthoglyphous .

noun

An opisthoglyphous snake.

adjective

= opisthoglyphous .

adjective

Of, relating to, or designating a colubrid snake having the rear one or two pairs of teeth in the upper jaw modified as fangs, with grooves to conduct the venom; back-fanged.

adjective

(of an animal) having retreating or backward-pointing jaws, teeth, or mandibles.

noun

A text written on both sides of a papyrus or parchment.

adjective

Written or inscribed on the back of a papyrus or parchment as well as the front.

noun

Infection of humans and various other animals with parasitic trematode worms (liver flukes) of the genus opisthorchis (family opisthorchiidae), especially o. felineus and o. viverrini, endemic in parts of south-east and central asia and eastern europe, typically resulting in inflammation and scarring of the biliary tract and liver.

adjective

Designating, relating to, or situated in the opisthosoma of an invertebrate.

noun

One of the periotic bones, situated at the back of the ear, which in fishes, reptiles, and birds is separate or fused with one of the occipital bones, and in mammals is represented by an embryonic ossification of the temporal bone.

adjective

Designating or relating to the opisthotic.

adjective

Of, relating to, or affected with opisthotonos.

noun

Spasm of the muscles causing backward arching of the head, neck, and spine, as in severe tetanus, some kinds of meningitis, and strychnine poisoning.

Usage examples:

The four adult members of the family were conscious but had muscle stiffness with periodic convulsi…

noun

Spasm of the muscles causing backward arching of the head, neck, and spine, as in severe tetanus, some kinds of meningitis, and strychnine poisoning.

Usage examples:

The four adult members of the family were conscious but had muscle stiffness with periodic convulsi…