12-letter words containing s, p, i, r, o
- superkingdom — in some systems of biological classification, either of the two major subdivisions, prokaryote or eukaryote, into which all living organisms can be placed
- superordinal — relating to the superorder
- superorganic — of or relating to the structure of cultural elements within society conceived as independent of and superior to the individual members of society.
- superpatriot — a person who is patriotic to an extreme.
- supersession — the act of superseding.
- superstation — an independent television station whose signal is transmitted by satellite to subscribers on a cable system.
- superstition — a belief or notion, not based on reason or knowledge, in or of the ominous significance of a particular thing, circumstance, occurrence, proceeding, or the like.
- supervention — to take place or occur as something additional or extraneous (sometimes followed by on or upon).
- suppletorily — supplying a deficiency.
- supplicatory — to pray humbly; make humble and earnest entreaty or petition.
- supportingly — to bear or hold up (a load, mass, structure, part, etc.); serve as a foundation for.
- supraorbital — situated above the eye socket.
- survivorship — the state of being a survivor.
- suspensorial — relating to a suspensorium
- suspensorium — a part that supports or suspends, esp the mandibular suspensorium, which suspends the lower jaw from the skull
- the pointers — the two brightest stars in the Plough (Dubhe and Merak), which lie in the direction pointing towards the Pole Star and are therefore used to locate it
- the scorpion — the constellation Scorpio, the eighth sign of the zodiac
- the-pioneers — a historical novel (1823) by James Fenimore Cooper.
- thermosiphon — an arrangement of siphon tubes that enables water in a heating apparatus to circulate by means of convection.
- third person — the grammatical person used by the speaker of an utterance in referring to anyone or anything other than the speaker or the one (third person singular) or ones (third person plural) being addressed.
- top dressing — tennis court
- top security — ultra secure
- tourist trap — a place, as a restaurant, shop, or hotel, that exploits tourists by overcharging.
- trading post — a store established in an unsettled or thinly settled region by a trader or trading company to obtain furs and local products in exchange for supplies, clothing, other goods, or for cash.
- trainspotter — A trainspotter is someone who is very interested in trains and spends time going to stations and recording the numbers of the trains that they see.
- transit stop — a stop made by a vehicle such as an aircraft, train or bus on the way to its final destination
- transpicuous — transparent.
- transponible — capable of being transposed.
- transpontine — across or beyond a bridge.
- transportive — to carry, move, or convey from one place to another.
- transumption — an act of metaphorical transference
- trapshooting — the sport of shooting at clay pigeons hurled into the air from a trap.
- trepidations — tremulous fear, alarm, or agitation; perturbation.
- trepidatious — tremulous fear, alarm, or agitation; perturbation.
- triadelphous — (of stamens) united by the filaments into three sets or bundles.
- tribespeople — members of a tribe; people living a tribal lifestyle
- tricephalous — with three heads
- triphosphate — a salt derived from triphosphoric acid.
- trophallaxis — (among social insects) the exchange of nutriments or other secretions between members of a colony.
- trophobiosis — the exchange of nourishment between organisms in a symbiotic relationship
- tropicalised — to make tropical, as in character or appearance.
- tropophilous — adapted to a climate characterized by marked environmental changes.
- trouser clip — a clip that is worn around the bottom of a trouser leg to stop the material getting caught in the chain of a bicycle
- trunk piston — a piston with a long skirt to take the side thrust, as in an automobile engine.
- typographist — a person skilled in the art of typography
- underpassion — an underlying or subconscious passion
- unimprisoned — not confined in a prison
- unit process — any of a number of standard operations, such as filtration or distillation, that are widely used in various chemical and process industries
- unoppressive — not cruel or harsh
- unpropitious — presenting favorable conditions; favorable: propitious weather.