13-letter words containing a, g, r, o, s, t
- contragestion — a form of contraception that can be used after fertilization of the ovum, preventing gestation
- contragestive — able to prevent gestation
- contrastingly — to compare in order to show unlikeness or differences; note the opposite natures, purposes, etc., of: Contrast the political rights of Romans and Greeks.
- cosignatories — Plural form of cosignatory.
- costardmonger — a costermonger
- cottage fries — potatoes that have been thinly sliced and then fried
- crosshatching — to mark or shade with two or more intersecting series of parallel lines.
- crustaceology — The branch of zoology dealing with crustaceans.
- cytopharynges — Plural form of cytopharynx.
- daguerrotypes — Plural form of daguerrotype, a misspelling of daguerreotype.
- demonstrating — to make evident or establish by arguments or reasoning; prove: to demonstrate a philosophical principle.
- dentosurgical — relating to or used in both dentistry and surgery
- dermatologies — Plural form of dermatology.
- dermatologist — A dermatologist is a doctor who specializes in the study of skin and the treatment of skin diseases.
- desegregation — the elimination of laws, customs, or practices under which people from different religions, ancestries, ethnic groups, etc., are restricted to specific or separate public facilities, neighborhoods, schools, organizations, or the like.
- deuteragonist — (in ancient Greek drama) the character next in importance to the protagonist, esp the antagonist
- diageotropism — a diatropic response of plant parts, such as rhizomes, to the stimulus of gravity
- dinitrogenase — (enzyme) One of two enzymes which, together with ATP, catalyze the reduction of molecular nitrogen into ammonia.
- disambiguator — Anything that serves to disambiguate.
- disfiguration — an act or instance of disfiguring.
- disintegrator — One who, or that which, disintegrates.
- disinvigorate — to deprive of vigour
- disobligatory — not obligatory
- disregulation — Misspelling of dysregulation.
- dog-leg stair — a half-turn stair, the successive flights of which are immediately side by side and connected by an intervening platform.
- downregulates — Third-person singular simple present indicative form of downregulate.
- dragon's tail — (formerly) the descending node of the moon or a planet.
- draughtboards — Plural form of draughtboard.
- draughtsboard — The board on which draughts is played, resembling a chessboard but (depending on the game variation) often having a side length of ten squares rather than eight.
- draughtswoman — Alternative spelling of draftswoman.
- dysregulation — A failure to regulate properly.
- earth-goddess — a goddess of fertility and vegetation.
- electrographs — Plural form of electrograph.
- emigrationist — a person who promotes emigration
- escort agency — an agency where people, esp young women, may be hired to accompany someone for entertainment, etc
- ethnographers — Plural form of ethnographer.
- ethnographies — Plural form of ethnography.
- eusporangiate — (of ferns) having each sporangium developing from a group of cells, rather than a single cell, and with no specialized dispersal of spores
- exaggerations — Plural form of exaggeration.
- fantasmagoria — phantasmagoria.
- fantasmagoric — phantasmagoria.
- festivalgoers — Plural form of festivalgoer.
- floating ribs — the eleventh and twelfth pairs of ribs, not attached to the breastbone or to other ribs but only to the vertebrae
- forest ranger — any of the officers employed by the government to supervise the care and preservation of forests, especially public forests.
- frontal gyrus — any of several convolutions on the outer surface of the frontal lobe of the cerebrum.
- frosted glass — etched glass with a translucent surface
- gabrilowitsch — Ossip [aw-syip] /ˈɔ syɪp/ (Show IPA), 1878–1936, Russian pianist and conductor, in America.
- galois theory — the branch of mathematics that deals with the application of the theory of finite groups to the solution of algebraic equations.
- galvanometers — Plural form of galvanometer.
- garnetiferous — containing or yielding garnets.