| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| occiput | noun | The back, or posterior, part of the head or skull; the region of the occipital bone., A plate which forms the back part of the head of insects. |
| occlude | verb t. | To shut up; to close., To take in and retain; to absorb; — said especially with respect to gases; as iron, platinum, and palladium occlude large volumes of hydrogen. |
| occluse | adjective | Shut; closed. |
| occurse | noun | Same as Occursion. |
| oceanic | adjective | Of or pertaining to the ocean; found or formed in or about, or produced by, the ocean; frequenting the ocean, especially mid-ocean., Of or pertaining to Oceania or its inhabitants. |
| oceanus | noun | The god of the great outer sea, or the river which was believed to flow around the whole earth. |
| ocellus | noun | A little eye; a minute simple eye found in many invertebrates., An eyelike spot of color, as those on the tail of the peacock. |
| oceloid | adjective | Resembling the ocelot. |
| ocreate | adjective | Alt. of Ocreated |
| octagon | noun | A plane figure of eight sides and eight angles., Any structure (as a fortification) or place with eight sides or angles. |
| octapla | sing. | A portion of the Old Testament prepared by Origen in the 3d century, containing the Hebrew text and seven Greek versions of it, arranged in eight parallel columns. |
| octavos | plural | of Octavo |
| octoate | noun | A salt of an octoic acid; a caprylate. |
| october | noun | The tenth month of the year, containing thirty-one days., Ale or cider made in that month. |
| octofid | adjective | Cleft or separated into eight segments, as a calyx. |
| octopod | noun | One of the Octocerata. |
| octopus | noun | A genus of eight-armed cephalopods, including numerous species, some of them of large size. See Devilfish, |
| octuple | adjective | Eightfold. |
| octylic | adjective | Pertaining to, derived from, or containing, octyl; as, octylic ether. |
| oculary | adjective | Of or pertaining to the eye; ocular; optic; as, oculary medicines. |
| oculate | adjective | Alt. of Oculated |
| oculina | noun | A genus of tropical corals, usually branched, and having a very volid texture. |
| oculist | noun | One skilled in treating diseases of the eye. |