9-letter words containing p, l, a
- alphasort — to arrange in alphabetical order
- alphonsus — a crater in the SE quadrant of the moon, about 112 km in diameter, in which volcanic activity may have occurred
- alpinists — Plural form of alpinist.
- altigraph — an instrument that measures altitude and records the measurements graphically
- altiplano — a plateau of the Andes, covering two thirds of Bolivia and extending into S Peru: contains Lake Titicaca. Height: 3000 m (10 000 ft) to 3900 m (13 000 ft)
- ambipolar — (of plasmas and semiconductors) involving both positive and negative charge carriers
- amblyopia — impaired vision with no discernible damage to the eye or optic nerve
- amblyopic — Of, relating to, or suffering from amblyopia.
- amphibole — any of a large group of minerals consisting of the silicates of calcium, iron, magnesium, sodium, and aluminium, usually in the form of long slender dark-coloured crystals. Members of the group, including hornblende, actinolite, and tremolite, are common constituents of igneous rocks
- 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.
- ampholyte — an amphoteric electrolyte
- ampleness — fully sufficient or more than adequate for the purpose or needs; plentiful; enough: an ample supply of water; ample time to finish.
- amplicons — Plural form of amplicon.
- amplidyne — an electrodynamic amplifier which uses a small electrical signal to control the position of a large motor
- amplified — Simple past tense and past participle of amplify.
- amplifier — An amplifier is an electronic device in a radio or stereo system which causes sounds or signals to get louder.
- amplifies — Third-person singular simple present indicative form of amplify.
- amplitude — In physics, the amplitude of a sound wave or electrical signal is its strength.
- amplosome — the short or stocky type of human body shape
- ampullary — Of or pertaining to an ampulla.
- ampullate — Having an ampulla; flask-shaped; bellied.
- ampullula — a small ampulla.
- amylopsin — an enzyme of the pancreatic juice that converts starch into sugar; pancreatic amylase
- anaglyphs — Plural form of anaglyph.
- anaglypta — a type of thick embossed wallpaper
- analepsis — A form of flashback in which earlier parts of a narrative are related to others that have already been narrated.
- analeptic — (of a drug, etc) stimulating the central nervous system
- anaphoral — relating to the prayer of oblation and consecration performed during Holy Communion
- anaplasia — reversion of plant or animal cells to a simpler less differentiated form
- anaplasic — Of or pertaining to anaplasia.
- anaplasty — Surgery. reconstruction or restoration, especially by plastic surgery, of a lost or injured part.
- ancipital — flattened and having two edges
- aneuploid — (of polyploid cells or organisms) having a chromosome number that is not an exact multiple of the haploid number, caused by one chromosome set being incomplete
- annapolis — the capital of Maryland, near the mouth of the Severn River on Chesapeake Bay: site of the US Naval Academy. Pop: 36 178 (2003 est)
- anopheles — any of various mosquitoes constituting the genus Anopheles, some species of which transmit the malaria parasite to man
- antelopes — Plural form of antelope.
- anti-pill — denoting a material that does not form pills or that resists pilling
- antipapal — opposed to the pope
- antipedal — (in a mollusk) located opposite the foot.
- antiplane — (mechanics) Being or pertaining to a special class of deformation where the displacements in the body are zero in the plane of interest but non-zero in the direction perpendicular to that plane.
- antiplant — Designed to kill plants; herbicidal.
- antipodal — of or relating to diametrically opposite points on the earth's surface
- antipolar — of or relating to the North or South Pole.
- antisleep — acting to prevent sleep
- apeldoorn — a town in the Netherlands, in central Gelderland province: nearby is the summer residence of the Dutch royal family. Pop: 156 000 (2003 est)
- apertural — relating to aperture or an aperture
- apetalous — (of flowering plants) having no petals
- apex club — (in Australia) an association of business and professional men founded to promote community welfare
- aphyllous — (of plants) having no leaves
- apiculate — (of leaves) ending in a short sharp point