2-Letter Words Starting with O

Of an element

Containing the heaviest known metal

Of Element Number

Brood-pouch or egg-capsule

Reproductive cell capsule

Certain cell capsule

Of a blood process

Relying chiefly upon smell

Passing through a membrane

Of fluid diffusion

Kind of pressure

Albatross, if icebound, can make things hard, naturally

Pertaining to an {oospore=n}

Pertaining to orgasm [adj] : ORGASMICALLY

Men talk, twitching, of sexual pleasure

Pertaining to inflammation of the bone

Pertaining to {oxidase=n}

In the matter of deliverance, perhaps

Relating to childbirth

Bit with corset strained from childbirth

Possibly contains one like Portnoy

Pertaining to proper names

Like a secondhand signature on a sitcom rewrite

Of names

Tragic love is crazy and wild

Like a really wild party

Of frantic unrestrained celebrations

OTOCYST an organ of balance in many invertabrates

Hopeful and confident

Happy-go-lucky

When Mr. Tebow is hopeful, he feels...

ORGANISM any form of animal or plant life

Instruments ()

Osteogenetic.

OBSCURANT One who obscures; one who prevents enlightenment or hinders the progress of knowledge and wisdom.

""Giving an image in correct or normal proportions; giving a flat field of view; as, an orthoscopic eyepiece. as, an orthoscopic eyepiece.""

Relating to or caused by standing upright: orthostatic hypotension.

Of certain manipulators

Of the musculo-skeletal system

Treating by manipulation and massage

Also octosyllabic ( k t -s -l b k) a. A line of verse containing eight syllables.

""OSTEOBLAST One of the protoplasmic cells which occur in the osteogenetic layer of the periosteum, and from or around which the matrix of the bone is developed; an osteoplast.""

OSTEOCLAST A myeloplax.

""Producing bone; as, osteoplastic cells. as, osteoplastic cells.""

""Pl. osteoporoses (-s z) A disease in which the bones become extremely porous, are subject to fracture, and heal slowly, occurring especially in women following menopause and often leading to curvature of the spine from vertebral collapse.""

OBJECTIVIST

ODONTOBLAST One of the more or less columnar cells on the outer surface of the pulp of a tooth; an odontoplast. They are supposed to be connected with the formation of dentine.

Trade

Ready to take any advantage

Taking immediate advantage

Exploiting passing advantages

""OSCILLOSCOPE An electronic measuring instrument which provides a visual representation of the time variation of electrical quantities, such as voltage or current. It may be used to measure the shape of a voltage pulse or the frequency of an oscillating voltage. It can also be used to measure properties of other physical variables, such as sound or light intensity, if they can be translated into electrical voltage or current.""

Trade () Translations

OSCILLOGRAPH a device for making a record of the wave forms of fluctuating .

""A form of arthritis, occurring mainly in older persons, that is characterized by chronic degeneration of the cartilage of the joints. Also called degenerative joint disease .""

""OPTIMISTIC Of or pertaining to optimism; tending, or conforming, to the opinion that all events are ordered for the best.""

""SIMPLISTIC Of or pertaining to simples, or a simplist.""

""OPHTHALMOSCOPE An instrument for viewing the interior of the eye, particularly the retina. Light is thrown into the eye by a mirror (usually concave) and the interior is then examined with or without the aid of a lens.""

Too keen