13-letter words that end in ous
- polychotomous — divided into multiple parts
- polygalaceous — any plant of the genus Polygala, comprising the milkworts.
- polygonaceous — belonging to the Polygonaceae, the buckwheat family of plants.
- polythalamous — having multiple chambers
- porcelaineous — like porcelain
- postliminious — subsequently undertaken
- profectitious — (of money or property) proceeding from a parent or derived from an ancestor
- prolegomenous — prefatory; preliminary; introductory.
- protanomalous — of, relating to, or affected by protanomaly
- proteinaceous — Biochemistry. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals and other nonphotosynthesizing organisms, composed of 20 or more amino acids linked in a genetically controlled linear sequence into one or more long polypeptide chains, the final shape and other properties of each protein being determined by the side chains of the amino acids and their chemical attachments: proteins include such specialized forms as collagen for supportive tissue, hemoglobin for transport, antibodies for immune defense, and enzymes for metabolism.
- psammophilous — living or growing in sand
- pucciniaceous — (of a fungus) belonging to the genus Puccinia
- pusillanimous — lacking courage or resolution; cowardly; faint-hearted; timid.
- quadrifarious — having four parts
- quartziferous — consisting of or containing quartz: quartziferous rock.
- rectitudinous — characterized by or given to rectitude.
- red delicious — a deep-red type of Delicious apple.
- reptiliferous — (of rocks, etc) yielding fossilized reptiles
- rhizomorphous — rootlike in form.
- salviniaceous — relating to the genus Salviniaceae
- sanctimonious — making a hypocritical show of religious devotion, piety, righteousness, etc.: They resented his sanctimonious comments on immorality in America.
- saurognathous — related to or resembling the Saurognathae family of birds that possess palate bones similar to those in saurians or lizards
- schizaeaceous — relating to a type of extinct fern
- sclerocaulous — having a hard, dry stem
- self-luminous — radiating or reflecting light; shining; bright.
- semi-precious — Semi-precious stones are stones such as turquoises and amethysts that are used in jewellery but are less valuable than precious stones such as diamonds and rubies.
- semi-vitreous — partially vitreous.
- semiconscious — half-conscious; not fully conscious.
- semioviparous — bearing young in an incomplete state of development, as a marsupial.
- semireligious — having a somewhat religious character.
- serendipitous — come upon or found by accident; fortuitous: serendipitous scientific discoveries.
- skeletogenous — forming a skeleton, or parts of one
- sphagnicolous — growing in moss
- spinuliferous — relating to a spine or spines
- splendiferous — splendid; magnificent; fine.
- stalactitious — containing stalactites
- staminiferous — bearing or having a stamen or stamens.
- steganopodous — belonging to the Stegandopodes or having all four toes webbed together
- stenopetalous — having narrow petals.
- stenophyllous — having narrow leaves.
- stercoraceous — consisting of, resembling, or pertaining to dung or feces.
- stercorarious — stercoraceous
- stoloniferous — producing or bearing stolons.
- strobilaceous — resembling a strobilus; conelike.
- subbituminous — (of coal) dark brown to black and intermediate in rank between lignite and bituminous
- subcontiguous — almost touching; nearly contiguous.
- subcontinuous — almost but not quite continuous
- subcoriaceous — almost leathery
- subterraneous — existing, situated, or operating below the surface of the earth; underground.
- supercautious — very or extremely cautious