Search the Dictionary

A division of ganoid fishes, including the gar pikes and bowfins. -- Hy`o*ga"noid, a.

Pertaining to or connecting the tongue and hyodean arch; as, the hyoglossal membrane.

A flat muscle on either side of the tongue, connecting it with the hyoid bone.

or cartilaginous arch which supports the tongue. Sometimes applied to the tongue itself. Hyoid arch (Anat.), the arch of cartilaginous or bony segments, which connects the base of the tongue with either side of the skull. -- Hyoid bone (Anat.), the bone in the base of the tongue, the middle part of the hyoid arch.…

Same as Hyoid, a.

Pertaining both to the hyoidean arch and the mandible or lower jaw; as, the hyomandibular bone or cartilage, a segment of the hyoid arch which connects the lower jaw with the skull in fishes. -- n.

Between the hyoid bone and the lower jaw, pertaining to them; suprahyoid; submaxillary; as, the hyomental region of the front of the neck.

The second lateral plate in the plastron of turtles; -- called also hyosternum.

An alkaloid found with hyoscyamine (with which it is also isomeric) in henbane, and extracted as a white, amorphous, semisolid substance.

An alkaloid found in henbane (Hyoscyamus niger), and regarded as its active principle. It is also found with other alkaloids in the thorn apple and deadly nightshade. It is extracted as a white crystalline substance, with a sharp, offensive taste. Hyoscyamine is isomeric with atropine, is very poisonous, and is used as…

The leaves of the black henbane (Hyoscyamus niger), used in neuralgic and pectorial troubles.

Between the hyoid bone and the sternum, or pertaining to them; infrahyoid; as, the hyosternal region of the neck.

See Hyoplastron.

Having the mandible suspended by the hyomandibular, or upper part of the hyoid arch, as in fishes, instead of directly articulated with the skull as in mammals; -- said of the skull.

An abbreviation of hypochonaria; -- usually in plural. [Colloq.] Heaven send thou hast not got the hyps. Swift.

Exposed to the air; wanting a roof; -- applied to a building or part of a building. Gwilt.

ds to the fleets, instead of dare classibus austris, to give the fleets to the winds. The hypallage, of which Virgil is fonder than any other writer, is much the gravest fault in language. Landor.

See Allelomorph.

A fruit consisting in large part of a receptacle, enlarged below the calyx, as in the alycanthus, the rose hip, and the pear.

a developed from the ventral side of the centrum, as hæmal spines, and chevron bones. -- Hy`pa*po*phys"i*al, a.