12-letter words containing r, i, o, p, e, l
- protectively — having the quality or function of protecting: a protective covering.
- protensively — in the manner of duration
- protreptical — didactic
- proverbially — of, relating to, or characteristic of a proverb: proverbial brevity.
- providential — of, relating to, or resulting from divine providence: providential care.
- puerto limon — Limón (def 2).
- pyritohedral — of or relating to a pyritohedron
- pyrochemical — pertaining to or producing chemical change at high temperatures.
- pyroelectric — pertaining to, subject to, or manifesting pyroelectricity.
- pyroligneous — produced by the distillation of wood.
- pyrophyllite — Mineralogy. a phyllosilicate, AlSi 2 O 5 (OH), usually having a white or greenish color, and occurring in either foliated or compact masses, the latter variety being used like soapstone.
- railroad pen — a ruling pen for drawing two parallel lines.
- ranging pole — a pole for marking positions in surveying
- rapeseed oil — a brownish-yellow oil obtained by expression from rapeseed and used chiefly as a lubricant, an illuminant, and in the manufacture of rubber substitutes.
- reciprocally — given or felt by each toward the other; mutual: reciprocal respect.
- relationship — a connection, association, or involvement.
- replantation — to plant again.
- repopularize — to make popular: to popularize a dance.
- repopulation — the total number of persons inhabiting a country, city, or any district or area.
- reproducible — to make a copy, representation, duplicate, or close imitation of: to reproduce a picture.
- reputational — the estimation in which a person or thing is held, especially by the community or the public generally; repute: a man of good reputation.
- responsively — responding especially readily and sympathetically to appeals, efforts, influences, etc.: a responsive government.
- responsorial — of or relating to response; responsive
- retail group — a group of companies under single ownership, which sell goods to individual customers
- retrophiliac — someone who has a strong liking for things from the past
- retropulsion — an abnormal tendency to walk backwards: a symptom of Parkinson's disease
- retropulsive — of or relating to retropulsion
- ripe old age — advanced age
- role playing — role-play used as a method of training or education
- role-playing — a method of instruction or psychotherapy aimed at changing attitudes and behavior, in which participants act out designated roles relevant to real-life situations.
- scolopendrid — any myriapod of the order Scolopendrida, including many large, poisonous centipedes.
- scopes trial — John Thomas, 1901–70, U.S. high-school teacher whose teaching of the Darwinian theory of evolution became a cause célèbre (Scopes Trial or Monkey Trial) in 1925.
- self-proving — to establish the truth or genuineness of, as by evidence or argument: to prove one's claim.
- self-worship — reverent honor and homage paid to God or a sacred personage, or to any object regarded as sacred.
- semi-popular — regarded with favor, approval, or affection by people in general: a popular preacher.
- semitropical — subtropical.
- short splice — a splice used when an increased thickness of the united rope is not objectionable, made by unlaying the rope ends a certain distance, uniting them so that their strands overlap, then tucking each alternately over and under others several times.
- siderophilic — having characteristics of siderophile
- silver point — the melting point of silver, equal to 960.8°C, used as a fixed point on the international temperature scale.
- silver spoon — spoon (def 16).
- simple group — a group that has no normal subgroup except the group itself and the identity.
- slipper foot — an elongated pad foot.
- slipper sock — a sock with a soft leather or vinyl sole sewn onto it, used as indoor footwear.
- sloop-rigged — (of a sailboat) fore-and-aft rigged with a mainsail and a jib.
- soil profile — a vertical succession of horizons, commonly lettered A, B, C (beginning at the surface), that have been subjected to soil-forming processes, chiefly leaching and oxidation.
- special sort — a character, such as an accented letter, that is not a usual member of any font
- spectatorial — a person who looks on or watches; onlooker; observer.
- spirochaetal — resulting from spirochaetes
- streptolysin — a type of hemolysin produced by certain species of streptococcus.
- strophiolate — having a strophiole