Search the Dictionary

A toucan (Ramphastos toco) having a very large beak. See Illust. under Toucan.

The science of obstetrics, or midwifery; that department of medicine which treats of parturition. [Written also tokology.]

A cuban trogon (Priotelus temnurus) having a serrated bill and a tail concave at the end.

A self-restoring coherer, as a microphonic detector.

The cavity of the blastosphere, or segmentation cavity.

The nucleus of the cytula or parent cell. Hæckel.

Belonging to, or resembling, the Embiotocidæ. -- n.

Changed into a hectocotylus; having a hectocotylis.

One of the arms of the male of most kinds of cephalopods, which is specially modified in various ways to effect the fertilization of the eggs. In a special sense, the greatly modified arm of Argonauta and allied genera, which, after receiving the spermatophores, becomes detached from the male, and attaches itself to th…

Bearing fruit but once; monocarpic.

A half oviparous, or an oviparous, mammal; a marsupial or monotreme.

The cavity of one of the optic lobes of the brain in many animals. B. G. Wilder.

A mass of otoliths.

Bearing fruit repeatedly, as most perennial plants; polycarpic.

A genus of minute unicellular algæ including the red snow plant (Protococcus nivalis).

To make a protocol of.

One who draughts protocols.

The embryonic shell, or first chamber, of ammonites and other cephalopods.

A long or short chain of micrococci, more or less curved.

romannite, pseudorcin, cobalt bloom, and under the name phycite obtained from the alga Protococcus vulgaris. It is a tetrabasic alcohol, corresponding to glycol and glycerin.