10-letter words containing o, p, e, r
- godparents — Plural form of godparent.
- gopherwood — yellowwood.
- gossiprede — (obsolete) The relationship between a person and his sponsors.
- gramophone — a phonograph.
- granophyre — a fine-grained or porphyritic granitic rock with a micrographic intergrowth of the minerals of the groundmass.
- grapelouse — an insect that attacks grape vines
- grapestone — the seed of a grape.
- grapholect — an established and standardized written language
- graptolite — any colonial animal of the extinct class Graptolithina, most common in the Ordovician and Silurian Periods, thought to be related to the pterobranchs.
- gray power — the organized influence exerted by elderly people as a group, especially for social or political purposes or ends.
- green soap — a soap made chiefly from potassium hydroxide and linseed oil, used in treating some skin diseases.
- grey power — the political, financial, or social influence of elderly people
- ground pea — peanut.
- group home — a substitute home, usually located in a residential neighborhood, providing foster care for orphans, delinquents, disabled persons, or others with special needs.
- groupmates — Plural form of groupmate.
- guest rope — a rope suspended from the side of a vessel or a boom as an object to which other vessels can moor, or to afford a hold for persons in such vessels.
- guest-rope — a rope suspended from the side of a vessel or a boom as an object to which other vessels can moor, or to afford a hold for persons in such vessels.
- guide rope — a rope fastened, usually at an angle, to a hoisting or towing line, to guide the object being moved.
- gunpersons — Plural form of gunperson.
- gymnosperm — a vascular plant having seeds that are not enclosed in an ovary; a conifer or cycad.
- gymnospore — a naked spore, especially one not produced in a sporangium or one lacking a protective envelope.
- gynophores — Plural form of gynophore.
- gyrocopter — autogiro.
- gyroscopes — Plural form of gyroscope.
- hammerkops — Plural form of hammerkop.
- haptometer — a mechanical device for measuring the sense of touch.
- hard power — the ability to achieve one's goals by force, esp military force
- harpooneer — A harpooner.
- hartlepool — a seaport city in NE England.
- hectograph — a process for making copies of a letter, memorandum, etc., from a prepared gelatin surface to which the original writing has been transferred.
- hectorship — the quality or character of a hector
- hektograph — to copy with the hectograph.
- helicopter — any of a class of heavier-than-air craft that are lifted and sustained in the air horizontally by rotating wings or blades turning on vertical axes through power supplied by an engine.
- heliograph — a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- heliotrope — any hairy plant belonging to the genus Heliotropium, of the borage family, as H. arborescens, cultivated for its small, fragrant purple flowers.
- heliotropy — the growth of plants in a particular direction as a response to the stimulus of light, heliotropism
- hemipteron — Alternative form of hemipteran.
- hemitropal — hemitropous
- heptachlor — a highly toxic, light-tan, waxy solid, C 10 H 5 Cl 7 , used as an insecticide: its manufacture and use are restricted in the U.S.
- heptachord — a musical scale of seven notes.
- heptameron — A literary work whose action covers a period of seven days.
- herophilus — died ?280 bc, Greek anatomist in Alexandria. He was the first to distinguish sensory from motor nerves
- hesperinos — vesper (def 3).
- heterophil — Also, heterophilic. Immunology. (of an antibody) having an affinity for an antigen other than its specific antigen.
- hey presto — magician's conjuring words
- hieroglyph — Also, hieroglyphical. designating or pertaining to a pictographic script, particularly that of the ancient Egyptians, in which many of the symbols are conventionalized, recognizable pictures of the things represented.
- hierograph — sacred writing or characters
- hierophant — (in ancient Greece) an official expounder of rites of worship and sacrifice.
- hierophany — A physical manifestation of the holy or sacred, serving as a spiritual eidolon for emulation or worship.
- high-power — (of a rifle) of a sufficiently high muzzle velocity and using a heavy enough bullet to kill large game.