9-letter words containing y, a
- all-dayer — an entertainment, such as a pop concert or film screening, that lasts all day
- all-party — composed of or involving members of all of the political parties of a country
- allayment — an abatement, moderation or alleviation
- allegedly — reportedly; supposedly
- allegheny — river in W Pennsylvania, joining the Monongahela at Pittsburgh to form the Ohio: 325 mi (523 km)
- allen key — an L-shaped tool consisting of a rod having a hexagonal cross section, used to turn a screw (Allen screw) with a hexagonal recess in the head. A different size of key is required for each size of screw
- allenarly — in a solitary manner
- alley cat — An alley cat is a cat that lives in the streets of a town, is rather fierce, and is usually not owned by anyone.
- alley-oop — used as an exclamation accompanying the act of lifting, rising, etc.
- alley-way — an alley or lane.
- alleyways — Plural form of alleyway.
- allicholy — a feeling of sadness and despondency
- allocarpy — the production of fruit through cross-fertilization
- allodynia — pain caused by a normally painless stimulus
- allometry — the study of the growth of part of an organism in relation to the growth of the entire organism
- allopathy — the orthodox medical method of treating disease, by inducing a condition different from or opposed to the cause of the disease
- allopatry — the condition of existing in areas that are geographically separated from one another; esp the condition of genetically similar species which cannot interbreed because of this geographical separation
- allostery — the condition of a protein (such as an enzyme) in which the structure and activity of the enzyme are modified by the binding of a metabolic molecule at a site other than the chemically active one
- allotropy — the existence of an element in two or more physical forms. The most common elements having this property are carbon, sulphur, and phosphorus
- allottery — an allotment or allocation
- allotypic — relating to an allotype
- allowably — In an allowable manner.
- allowedly — by general admission or agreement; admittedly
- alpha ray — ionizing radiation consisting of a stream of alpha particles
- altar boy — In the Roman Catholic church, an altar boy is a boy who helps the priest during Mass.
- alterably — In an alterable manner.
- altimetry — the science of measuring altitudes, as with an altimeter
- always-on — remaining available at all times
- amaryllid — a plant of the amaryllis family
- amaryllis — an amaryllidaceous plant, Amaryllis belladonna, native to southern Africa and having large lily-like reddish or white flowers
- amazingly — causing great surprise or sudden wonder.
- ambiently — In an ambient way.
- ambiguity — If you say that there is ambiguity in something, you mean that it is unclear or confusing, or it can be understood in more than one way.
- amblyopia — impaired vision with no discernible damage to the eye or optic nerve
- amblyopic — Of, relating to, or suffering from amblyopia.
- ambrotype — an early type of glass negative that could be made to appear as a positive by backing it with black varnish or paper
- amebocyte — any cell capable of moving like an amoeba, esp. one that floats freely in the blood or other body fluids, such as a white blood corpuscle
- amethysts — Plural form of amethyst.
- aminediyl — (organic chemistry) A nitrene.
- aminylene — (organic chemistry) A nitrene.
- amniotomy — the artificial rupturing of the fetal membranes by a doctor or midwife to induce or expedite labour
- amorality — not involving questions of right or wrong; without moral quality; neither moral nor immoral.
- amorosity — a loving feeling
- amorously — inclined or disposed to love, especially sexual love: an amorous disposition.
- amphiboly — ambiguity of speech, especially from uncertainty of the grammatical construction rather than of the meaning of the words, as in The Duke yet lives that Henry shall depose.
- amphigory — a piece of nonsensical writing in verse or, less commonly, prose
- ampholyte — an amphoteric electrolyte
- amplidyne — an electrodynamic amplifier which uses a small electrical signal to control the position of a large motor
- ampullary — Of or pertaining to an ampulla.
- amu darya — a river in central Asia, rising in the Pamirs and flowing northwest through the Hindu Kush and across Turkmenistan and Uzbekistan to its delta in the Aral Sea: forms much of the N border of Afghanistan and is important for irrigation. Length: 2400 km (1500 miles)