Search the Dictionary

One of the Acalephæ.

A group of Coelenterata, including the Medusæ or jellyfishes, and hydroids; -- so called from the stinging power they possess. Sometimes called sea nettles.

The vertebral column; the spinous process of a vertebra. Dunglison.

Of, pertaining to, or resembling, the family of plants of which the acanthus is the type.

Of, pertaining to, or resembling, the plant acanthus.

A group of intestinal worms, having the proboscis armed with recurved spines.

Having a spiny head, as one of the Acanthocephala.

A group of teleostean fishes having spiny fins. See Acanthopterygii.

Belonging to the order of fishes having spinose fins, as the perch. -- n.

An order of fishes having some of the rays of the dorsal, ventral, and anal fins unarticulated and spinelike, as the perch.

A genus of herbaceous prickly plants, found in the south of Europe, Asia Minor, and India; bear's-breech.

One of a group of arachnids, including the mites and ticks.

The group of Arachnida which includes the mites and ticks. Many species are parasitic, and cause diseases like the itch and mange.

Of or caused by acari or mites; as, acarine diseases.

A genus including many species of small mites.

A verse which has the complete number of feet and syllables.

Incomprehensibility of things; the doctrine held by the ancient Skeptic philosophers, that human knowledge never amounts to certainty, but only to probability.

Incapable of being comprehended; incomprehensible.

To enter upon an office or dignity; to attain. Edward IV., who had acceded to the throne in the year 1461. T. Warton. If Frederick had acceded to the supreme power. Morley.

The act of acceding.