12-letter words containing a, r, i, l, y
- polyomavirus — any of a genus (Polyomavirus) of papovaviruses that naturally infect wild and laboratory mice, and that cause tumors when injected into newborn mice
- polysaprobic — flourishing in a body of water having a heavy load of decomposed organic matter and almost no free oxygen
- postliminary — of or relating to postliminy
- practicality — of or relating to practice or action: practical mathematics.
- prairie lily — sand lily.
- precariously — dependent on circumstances beyond one's control; uncertain; unstable; insecure: a precarious livelihood.
- prelatically — in the manner of a prelate
- prelingually — in a prelingual manner
- premaritally — in a premarital manner
- premaxillary — one of a pair of bones of the upper jaw of vertebrates, situated in front of and between the maxillary bones.
- prenominally — before a noun
- presbyterial — of or relating to a presbytery.
- presentially — in a presential way
- prickly heat — a cutaneous eruption accompanied by a prickling and itching sensation, due to an inflammation of the sweat glands.
- prickly pear — any of numerous cacti of the genus Opuntia, having flattened, usually spiny stem joints, yellow, orange, or reddish flowers, and ovoid, often edible fruit.
- primary cell — a cell designed to produce electric current through an electrochemical reaction that is not efficiently reversible, so that the cell when discharged cannot be efficiently recharged by an electric current.
- primary wall — the wall of a plant cell that is formed first around the protoplast, composed of cellulose microfibrils aligned at all angles and held together by hydrogen bonds.
- primordially — constituting a beginning; giving origin to something derived or developed; original; elementary: primordial forms of life.
- prince royal — the eldest son of a king or queen.
- principality — a state ruled by a prince, usually a relatively small state or a state that falls within a larger state such as an empire.
- pro-equality — the state or quality of being equal; correspondence in quantity, degree, value, rank, or ability: promoting equality of opportunity in the workplace.
- pro-military — of, for, or pertaining to the army or armed forces, often as distinguished from the navy: from civilian to military life.
- prolifically — producing offspring, young, fruit, etc., abundantly; highly fruitful: a prolific pear tree.
- prophylactic — defending or protecting from disease or infection, as a drug.
- prosodically — in a prosodic manner
- prostacyclin — a prostaglandin, C 2 0 H 3 2 O 5 , that specifically inhibits the formation of blood clots.
- prototypical — the original or model on which something is based or formed.
- proverbially — of, relating to, or characteristic of a proverb: proverbial brevity.
- provincially — belonging or peculiar to some particular province; local: the provincial newspaper.
- prudentially — of, pertaining to, characterized by, or resulting from prudence.
- pyramidology — a belief system based on the supposed occult significance of the Egyptian pyramids
- pyritohedral — of or relating to a pyritohedron
- pyrochemical — pertaining to or producing chemical change at high temperatures.
- pyromaniacal — a compulsion to set things on fire.
- quasicrystal — a form of solid matter whose atoms are arranged like those of a crystal but assume patterns that do not exactly repeat themselves.
- rabbinically — In a rabbinical way.
- rack railway — cog railway.
- radio galaxy — a galaxy that emits much more strongly in the radio part of the spectrum than does a typical galaxy.
- radiobiology — the branch of biology dealing with the effects of radiation on living matter.
- radioecology — the branch of ecology concerned with the effects of radioactivity on the environment
- radiolucency — almost entirely transparent to radiation; almost entirely invisible in x-ray photographs and under fluoroscopy.
- railway line — railroad route
- railway yard — an area having a network of railway tracks and sidings, used for storing rolling stock, making up trains, etc
- rally driver — sports-car racer
- rallying cry — A rallying cry or rallying call is something such as a word or phrase, an event, or a belief which encourages people to unite and to act in support of a particular group or idea.
- rarity value — if something has rarity value, it is valuable because there a few examples of it
- reachability — to get to or get as far as in moving, going, traveling, etc.: The boat reached the shore.
- reality show — A reality show is a type of television program that aims to show how ordinary people behave in everyday life, or in situations, often created by the program makers, which are intended to represent everyday life.
- reassuringly — to restore to assurance or confidence: His praise reassured me.
- reciprocally — given or felt by each toward the other; mutual: reciprocal respect.