| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| oscinian | noun | One of the Oscines, or singing birds., Any one of numerous species of dipterous files of the family Oscinidae. |
| oscinine | adjective | Of or pertaining to the Oscines. |
| oscitant | adjective | Yawning; gaping., Sleepy; drowsy; dull; sluggish; careless. |
| oscitate | verb i. | To gape; to yawn. |
| osculant | adjective | Kissing; hence, meeting; clinging., Adhering closely; embracing; — applied to certain creeping animals, as caterpillars., Intermediate in character, or on the border, between two genera, groups, families, etc., of animals or plants, and partaking somewhat of the characters of each, thus forming a connecting link; interosculant; as, the genera by which two families approximate are called osculant genera. |
| osculate | verb t. | To kiss., To touch closely, so as to have a common curvature at the point of contact. See Osculation, 2., To kiss one another; to kiss., To touch closely. See Osculation, 2., To have characters in common with two genera or families, so as to form a connecting link between them; to interosculate. See Osculant. |
| osmanlis | plural | of Osmanli |
| osmazome | noun | A substance formerly supposed to give to soup and broth their characteristic odor, and probably consisting of one or several of the class of nitrogenous substances which are called extractives. |
| osmiamic | adjective | Of, pertaining to, or designating, a nitrogenous acid of osmium, H2N2Os2O5, forming a well-known series of yellow salts. |
| osnaburg | noun | A species of coarse linen, originally made in Osnaburg, Germany. |
| ossianic | adjective | Of or pertaining to, or characteristic of, Ossian, a legendary Erse or Celtic bard. |
| ossicula | plural | of Ossiculum |
| ossified | adjective | Changed to bone or something resembling bone; hardened by deposits of mineral matter of any kind; — said of tissues., of Ossify |
| osteitis | noun | Inflammation of bone. |
| osteogen | noun | The soft tissue, or substance, which, in developing bone, ultimately undergoes ossification. |
| osteozoa | noun pl. | Same as Vertebrata. |
| ostracea | noun pl. | A division of bivalve mollusks including the oysters and allied shells. |