15-letter words that end in us
- passifloraceous — of, relating to, or belonging to the Passifloraceae, a tropical and subtropical family of climbing plants including the passionflowers: the flowers have five petals and threadlike parts forming a dense mass (corona) around the central disc
- past continuous — past progressive.
- paurometabolous — designating or of a group of insect orders, as orthopterans or hemipterans, in which metamorphosis to the adult state from the juvenile state is gradual and without any sudden, radical change of body form
- pearly nautilus — nautilus (def 1).
- pergamentaceous — (esp of plants) resembling parchment, whether in texture or composition
- pictorial janus — K. Kahn, Xerox. Visual extension of Janus. Requires Strand88 and a PostScript interpreter.
- pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
- plagiostomatous — plagiostome
- plantaginaceous — relating to or belonging to the family Plantaginaceae
- plumbaginaceous — belonging to the Plumbaginaceae, the leadwort family of plants.
- posse comitatus — the body of persons that a peace officer of a county is empowered to call upon for assistance in preserving the peace, making arrests, and serving writs.
- prelate nullius — a prelate having independent jurisdiction over a district not under a diocesan bishop.
- principal focus — focal point (def 1).
- protospatharius — (of the Byzantine empire) a high-ranking official in the imperial guard
- pulchritudinous — physically beautiful; comely.
- quasi-conscious — aware of one's own existence, sensations, thoughts, surroundings, etc.
- quasi-religious — of, relating to, or concerned with religion: a religious holiday.
- quasicontinuous — uninterrupted in time; without cessation: continuous coughing during the concert.
- radiophosphorus — phosphorus 32.
- rat-tail cactus — a cactus, Aporocactus flagelliformis, of Mexico, having slim, cylindrical stems that are easily trained into strange designs, and crimson flowers.
- rigel kentaurus — Alpha Centauri.
- rigil kentaurus — Astronomy. Alpha Centauri.
- sarcenchymatous — relating to the connective tissue of some sponges
- sarraceniaceous — of, relating to, or belonging to the Sarraceniaceae, an American family of pitcher plants
- sartor resartus — a satirical work (1833–34) by Carlyle.
- scaphocephalous — of or relating to scaphocephalus
- sclerodermatous — Zoology. covered with a hardened tissue, as scales.
- semi-autonomous — acting independently to some degree
- servius tullius — Servius, Servius Tullius.
- streptobacillus — any of various bacilli that form in chains.
- strombuliferous — having organs coiled as spirals
- tarsometatarsus — the large bone in the lower leg of a bird with which the toe bones articulate, formed by the fusion of tarsal and metatarsal bones.
- tentaculiferous — having tentacles
- textus receptus — a text of a work that is generally accepted as being genuine or original.
- the unconscious — the sum of all thoughts, memories, impulses, desires, feelings, etc. of which the individual is not conscious but which influence the emotions and behavior; that part of one's psyche which comprises repressed material of this nature
- torsion modulus — a coefficient of elasticity of a substance, expressing the ratio between the force per unit area (shearing stress) that laterally deforms the substance and the shear (shearing strain) that is produced by this force.
- tricotyledonous — having three cotyledons.
- ultra-religious — of, relating to, or concerned with religion: a religious holiday.
- ultrafastidious — extremely fastidious
- un-presumptuous — full of, characterized by, or showing presumption or readiness to presume in conduct or thought, as by saying or doing something without right or permission.
- unconscientious — governed by conscience; controlled by or done according to one's inner sense of what is right; principled: She's a conscientious judge, who does not let personal prejudices influence her decisions.
- unconsentaneous — disagreeable or discordant
- unfossiliferous — (of sediment, clay, rock, etc) not containing fossils
- unsanctimonious — Obsolete. holy; sacred.
- unselfconscious — not self-conscious; without affectation or pretense: an unselfconscious manner.
- vicissitudinous — a change or variation occurring in the course of something.
- west nile virus — an illness caused by a chiefly mosquito-borne virus of the genus Flavivirus, characterized in a small percentage of infected persons by fever, headache, muscle weakness, and sometimes encephalitis or meningitis.
- young's modulus — a coefficient of elasticity of a substance, expressing the ratio between a stress that acts to change the length of a body and the fractional change in length caused by this force.
- zygophyllaceous — belonging to the Zygophyllaceae, the caltrop family of plants.