9-letter words containing o, p, e, n, a
- expansion — The action of becoming larger or more extensive.
- expiation — The act of making amends or reparation for guilt or wrongdoing; atonement.
- extropian — Of, or relating to extropy.
- foreplane — (nautical, aeronautics) A relatively flat surface located well forward of a vehicle's center of gravity used for stability and, when movable, used for steering and attitude control; common on submarines, also used on surface ships and aircraft.
- frontpage — Alternative spelling of front page.
- gantelope — gauntlet2 .
- godparent — a godfather or godmother.
- gyroplane — autogiro.
- haanepoot — a type of white wine made from the Hanepoot grape
- half-open — (of a file) having a pawn or pawns of only one colour on it
- handphone — A cordless or cellular phone.
- happen on — to take place; come to pass; occur: Something interesting is always happening in New York.
- happen to — chance to
- happen-so — chance; happenstance; accident: Meeting you today was pure happen-so.
- haptonema — In haptophytes, a peg-like organelle attached near the flagella and unique to the group. May function in attachment, feeding, or avoidance responses.
- harpooned — Simple past tense and past participle of harpoon.
- harpooner — a barbed, spearlike missile attached to a rope, and thrown by hand or shot from a gun, used for killing and capturing whales and large fish.
- headphone — Audio. a headset designed for use with a stereo system.
- heptagons — Plural form of heptagon.
- heptanone — any of three isomeric ketones, C 11 H 14 O, derived from heptane.
- honeytrap — A stratagem in which irresistible bait is used to lure a victim.
- hypernova — (astronomy) The gravitational collapse of a massive star to form a black hole.
- hypopneas — Plural form of hypopnea.
- hypopnoea — Alternative spelling of hypopnea.
- ice apron — a structure built in a river upstream from a bridge pier or the like for protection against drifting ice.
- inoperant — Not operant.
- inopinate — unexpected
- ionopause — the transitional zone between the ionosphere and the mesosphere.
- isopteran — a member of the order Isoptera which includes social, colonizing insects such as termites
- jalapenos — Plural form of jalapeno.
- lampooned — a sharp, often virulent satire directed against an individual or institution; a work of literature, art, or the like, ridiculing severely the character or behavior of a person, society, etc.
- lampooner — Someone who lampoons; someone who pokes fun.
- landloper — a wanderer, vagrant, or adventurer.
- layperson — a person who is not a member of the clergy; one of the laity.
- lone pair — shoes, eyes
- madperson — (gender-neutral) A madman or madwoman.
- man power — the power supplied by human physical exertions: an ancient building constructed entirely by man power.
- mappemond — a map of the world
- megaphone — a cone-shaped device for magnifying or directing the voice, chiefly used in addressing a large audience out of doors or in calling to someone at a distance. Compare bullhorn.
- menopause — the period of permanent cessation of menstruation, usually occurring between the ages of 45 and 55.
- meropidan — any insectivorous bird of the family Meropidae
- metaphone — (algorithm, text) An algorithm for encoding a word so that similar sounding words encode the same. It's similar to soundex in purpose, but as it knows the basic rules of English pronunciation it's more accurate. The higher accuracy doesn't come free, though, metaphone requires more computational power as well as more storage capacity, but neither of these requirements are usually prohibitive. It is in the public domain so it can be freely implemented. Metaphone was developed by Lawrence Philips <[email protected]>. It is described in ["Practical Algorithms for Programmers", Binstock & Rex, Addison Wesley, 1995].
- monophase — (electricity) Having a single phase of alternating current.
- monoplane — an airplane with one main sustaining surface or one set of wings.
- monospace — Of a typeface, having the same width for each character.
- montespan — Marquise de (Françoise Athénaïs de Rochechouart) 1641–1707, mistress of Louis XIV of France.
- moonphase — a phase of the moon
- moonscape — the general appearance of the surface of the moon.
- mophandle — The handle of a mop.
- name-drop — mention famous person to impress