11-letter words containing y, a, t
- nyctophobia — an abnormal fear of night or darkness.
- obfuscatory — to confuse, bewilder, or stupefy.
- objurgatory — to reproach or denounce vehemently; upbraid harshly; berate sharply.
- observantly — quick to notice or perceive; alert.
- observatory — a place or building equipped and used for making observations of astronomical, meteorological, or other natural phenomena, especially a place equipped with a powerful telescope for observing the planets and stars.
- obsignatory — (obsolete) Ratifying; confirming by sealing.
- obstinately — firmly or stubbornly adhering to one's purpose, opinion, etc.; not yielding to argument, persuasion, or entreaty.
- occipitally — from an occipital point of view
- octagonally — In an octagonal manner.
- octahydrate — (chemistry) A hydrate whose solid contains eight molecules of water of crystallization per molecule, or per unit cell.
- octal forty — (jargon) Jargon for "I'm drawing a blank.", I can't work it out.
- odonatology — the study of insects, such as dragonflies, that belong to the zoological group Odonata
- odontopathy — (pathology) Any disease that affects the teeth.
- olfactology — the medical science which studies the sense of smell
- olfactorily — of or relating to the sense of smell: olfactory organs.
- on stand-by — in a state of readiness for action or use
- onomatology — onomastics.
- openability — The quality of being openable.
- operability — that can be treated by a surgical operation. Compare inoperable (def 2).
- operatively — a person engaged, employed, or skilled in some branch of work, especially productive or industrial work; worker.
- operativity — a person engaged, employed, or skilled in some branch of work, especially productive or industrial work; worker.
- opthamology — Misspelling of ophthalmology.
- optionality — left to one's choice; not required or mandatory: Formal dress is optional.
- or anything — You can add or anything to the end of a clause or sentence in order to refer vaguely to other things that are or may be similar to what has just been mentioned.
- oracularity — Oracular speech or behaviour.
- oral cavity — inside of the mouth
- orientality — the state of being oriental
- originality — the quality or state of being original.
- orthography — the art of writing words with the proper letters, according to accepted usage; correct spelling.
- oscillatory — characterized by or involving oscillation.
- osmotically — Physical Chemistry, Cell Biology. the tendency of a fluid, usually water, to pass through a semipermeable membrane into a solution where the solvent concentration is higher, thus equalizing the concentrations of materials on either side of the membrane. the diffusion of fluids through membranes or porous partitions. Compare endosmosis, exosmosis.
- osteography — The scientific description of bones; osteology.
- osteoplasty — plastic surgery on a bone to repair a defect or loss.
- ostreophagy — the consumption of oysters
- ovariectomy — the operation of removing one or both ovaries; oophorectomy.
- overanxiety — Excessive anxiety.
- overhastily — in such a way as to be excessively hasty or done without enough consideration
- overpayment — to pay more than (an amount due): I received a credit after overpaying the bill.
- oveta hobby — Oveta Culp [kuhlp] /kʌlp/ (Show IPA), 1905–1995, U.S. newspaper publisher and government official: first director of Women's Army Corps 1942–45; first Secretary of Health, Education, and Welfare 1953–55.
- oxidatively — by an oxidative process
- oxygenation — to treat, combine, or enrich with oxygen: to oxygenate the blood.
- oyster crab — a pea crab, Pinnotheres ostreum, the female of which lives as a commensal within the mantle cavity of oysters.
- oyster farm — a place where oyster beds are kept.
- oyster rake — a rake with a long handle and curved teeth for gathering in oysters from shallow waters
- oysterwoman — a woman who gathers, cultivates, or sells oysters.
- pachydactyl — with thick digits
- packability — The quality or state of being packable.
- paedotrophy — the art of raising children
- paint spray — paint bought in a special can which you spray on a surface by pressing a button on the top of the can
- palaeotypic — characterized by palaeotype