2-Letter Words Starting with O

- acid (fat compound)

Pert. to oil.

Kind of acid in soapmaking

Of the Arctic, say

Oh, see how this begins to get 27 down!

O, can ice be so liquid (wordplay)

Relating to dreams

Like Olive Schreiner's study

Pertaining to dreams.

Of appetite, in philosophy

Of the appetite.

Pertaining to {olefin=n}

Irate cop (anagram)

Like Carmen (wordplay)

Like Verdi's most famous works

Of mountain formation

Pertaining to inflammation of the bone

Of a common element

Like some photosynthesis

In the matter of deliverance, perhaps

Relating to childbirth

Bit with corset strained from childbirth

ONCOGENE a gene that causes a cell to become cancerous

Biology

Smash it! Cor! Hope of correct pronunciation (wordplay)

OLIGOMER a type of complex chemical compound

The practice or profession of an optometrist.

OROGEN a region which has undergone orogeny

Certain kind of shoe or brace

Like some shoes

Back in the USA? One could have such a problem

Instruments ()

Osteogenetic.

""Of or pertaining to ontogenesis; as, ontogenetic phenomena. as, ontogenetic phenomena.""

Adjective (-ic)

Dealing with treatment of bones

Of treatment of bones, muscles

Concerning the treatment of bones and muscles

Of certain manipulators

Of the musculo-skeletal system

Treating by manipulation and massage

Sounding like its meaning

""Making an impression upon an organ; plastic; said of the effect or impression produced by any substance on the organs of touch, taste, or smell, and also on the organism as a whole.""

""Biology progressive evolution, leading to the development of a new form, as can be seen through successive generations. See also society . ; orthogenetic , adj . Evolution the sociological theory that all cultures or societies follow the same fixed course of determinate evolution. See also evolution . ; orthogenetic,""

""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.""

DRAMATIC pertaining to {drama=n}

Excessively emphatic.

OBJECTIVIST

The exploration and scientific study of the ocean and its phenomena. Also called oceanology .

Like "buzz" and "whir"

Biology ()

ENERGETIC

(used with a sing. verb) The branch of physics that deals with the interconversion of electricity and light.

Metalorganic.

""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.""

Too keen