11-letter words containing p, r, a, o, s
- absorptance — a measure of the ability of an object to absorb radiation, equal to the ratio of the absorbed radiant flux to the incident flux. For a layer of material the ratio of the flux absorbed between the entry and exit surfaces of the layer to the flux leaving the entry surface is the internal absorptance
- absorptions — Plural form of absorption.
- acarpellous — (of flowers) having no carpels
- acorn spoon — a spoon having an acornlike ornament at the end of its stem.
- acrocarpous — (of mosses) having clustered upright stems and the reproductive parts borne at the tip of a stem
- acropolises — Plural form of acropolis.
- adiaphorism — a Christian Protestant theological theory that certain rites and actions are matters of indifference in religion since not forbidden by the Scriptures
- adiaphorous — morally neutral or indifferent
- adipocerous — Like adipocere.
- adscription — ascription
- aeciospores — Plural form of aeciospore.
- aero-optics — the study of the effect of aircraft-induced and atmospheric disturbances on the efficiency of laser weapons
- aerotropism — the growth of plants towards or away from a source of oxygen
- agamospermy — formation of seeds in the absence of fertilization; a form of apomixis
- agastrophus — a son of Paeon who was slain by Diomedes.
- airport bus — a public bus that takes passengers to and from the airport, usually connecting the city centre and (at a large airport) the different terminals
- alderperson — a member of a municipal legislative body, especially of a municipal council.
- all-purpose — You use all-purpose to refer to things that have lots of different uses or can be used in lots of different situations.
- allotropism — a property of certain elements, as carbon, sulfur, and phosphorus, of existing in two or more distinct forms; allomorphism.
- allotropous — (of flowers) having the nectar accessible to any species of insect
- amorphously — lacking definite form; having no specific shape; formless: the amorphous clouds.
- amphigories — Plural form of amphigory.
- amphoriskos — a miniature amphora.
- anamorphism — intense metamorphism of a rock in which high-density complex minerals are formed from simpler minerals of lower density
- anamorphous — lacking a clear or definite form
- anaphoresis — the movement of suspended charged particles towards the anode in an electric field
- anaplerosis — the filling up of a scar, wound, etc which has decayed or been destroyed
- anastrophes — Plural form of anastrophe.
- anchor span — (on a suspension or cantilever bridge) a span from an anchorage to the nearest pier or tower.
- androsphinx — a sphinx having the head of a man
- anemographs — Plural form of anemograph.
- anglosphere — a group of English-speaking countries that share common roots in British culture and history, usually the UK, the US, Australia, New Zealand, and Canada
- anisocarpic — (of a flower) having a lower number of carpels than of other floral parts.
- anisopteran — belonging or pertaining to the suborder Anisoptera, comprising the dragonflies.
- anisotropic — not isotropic; having different physical properties in different directions
- answerphone — An answerphone is a device which you connect to your telephone and which records telephone calls while you are out.
- anthropoids — Plural form of anthropoid.
- antileprosy — acting against leprosy
- antiprotons — Plural form of antiproton.
- antistrophe — the second of two movements made by a chorus during the performance of a choral ode
- apatosaurus — brontosaurus
- apgar score — system for determining the condition of an infant at birth
- aphrodisiac — An aphrodisiac is a food, drink, or drug which is said to make people want to have sex.
- aplanospore — a nonmotile asexual spore produced by certain algae and fungi
- apollinaris — an effervescent mineral water
- aponeuroses — Plural form of aponeurosis.
- aponeurosis — a white fibrous sheet of tissue by which certain muscles are attached to bones
- apoproteins — Plural form of apoprotein.
- apostlebird — an omnivorous bird, Struthidea cinerea, of eastern Australia, that has chiefly dark gray-brown plumage with white tail markings and is noted for its habit of traveling in groups of about 12 related individuals.
- apostrophes — Plural form of apostrophe.
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