9-letter words containing a, t, o, p
- hourplate — the dial of a clock or watch
- hypoblast — the endoderm.
- hypocaust — a hollow space or system of channels in the floor or walls of some ancient Roman buildings that provided a central heating system by receiving and distributing the heat from a furnace.
- hyponasty — increased growth along the lower surface of a plant or plant part, causing it to bend upward.
- hypostoma — Hypostome.
- hypotaxis — dependent relation or construction, as of clauses; syntactic subordination.
- hypotheca — (microbiology, planktology) The lower or posterior half of the theca of a thecate protist such as a diatom or dinoflagellate.
- hypotonia — An abnormal loss of muscle tone.
- idiopathy — a disease not preceded or occasioned by any known morbid condition.
- impaction — an act or instance of impacting.
- impastoed — (painting) Painted with an impasto.
- imperator — an absolute or supreme ruler.
- important — of much or great significance or consequence: an important event in world history.
- impotable — (rare) Not drinkable.
- in a spot — a rounded mark or stain made by foreign matter, as mud, blood, paint, ink, etc.; a blot or speck.
- incompact — not compact; loose.
- inoperant — Not operant.
- inopinate — unexpected
- isophotal — relating to an isophote or isophotes, or to a diagram on which isophotes are represented
- isopteran — a member of the order Isoptera which includes social, colonizing insects such as termites
- jack post — a post for supporting a floor beam, having two telescoping sections, adjustable to any height.
- jockstrap — an elasticized belt, a men's undergarment, with a pouch for supporting and protecting the genitals, worn especially while participating in athletics.
- juxtapose — to place close together or side by side, especially for comparison or contrast.
- kakotopia — Alternative form of cacotopia.
- karpathos — an island off the SE coast of Greece, part of the Dodecanese Islands, in the Aegean Sea. 110 sq. mi. (280 sq. km).
- karyotype — the chromosomes of a cell, usually displayed as a systematized arrangement of chromosome pairs in descending order of size.
- kleopatra — Cleopatra (def 2).
- lager top — a pint or half-pint of lager with a dash of lemonade
- lalopathy — any defect of speech.
- lamp-post — A lamp-post is a tall metal or concrete pole that is fixed beside a road and has a light at the top.
- lampposts — Plural form of lamppost.
- lamproite — (geology) Any of several volcanic rocks having a high potassium content.
- lap joint — Also called plain lap. a joint, as between two pieces of metal or timber, in which the pieces overlap without any change in form.
- last post — a position of duty, employment, or trust to which one is assigned or appointed: a diplomatic post.
- leaf spot — a limited, often circular, discolored, diseased area on a leaf, usually including a central region of necrosis.
- li tai po — Li Po.
- lipoplast — a small particle in plant cytoplasm, esp that of seeds, in which fat is stored
- macrotape — (storage) /mak'roh-tayp/ An industry-standard reel of magnetic tape, as opposed to a microtape. See also round tape.
- malt shop — a retail establishment specializing in serving ice-cream drinks, as malted milks, milk shakes, and sodas.
- mastopexy — fixation of a pendulous breast.
- mattaponi — a river in E Virginia, flowing SE to join the Pamunkey and form the York River. 120 miles (193 km) long.
- mazopathy — mazopathia.
- mercapto- — (in chemical compounds) indicating the presence of an HS- group
- metamorph — (biology) An organism that has undergone metamorphosis.
- 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].
- metaphore — Misspelling of metaphor.
- metaphors — a figure of speech in which a term or phrase is applied to something to which it is not literally applicable in order to suggest a resemblance, as in “A mighty fortress is our God.”. Compare mixed metaphor, simile (def 1).
- metascope — a device for converting infrared radiation into visible light.
- microtape — (hardware, storage) /mi:'kroh-tayp/ Occasionally used to mean a DECtape, as opposed to a macrotape. Apparently the term "microtape" was actually the official term used within DEC for these tapes until someone coined the word "DECtape", which, of course, sounded sexier to the marketroids. Another version of the story holds that someone discovered a conflict with another company's "microtape" trademark.
- montespan — Marquise de (Françoise Athénaïs de Rochechouart) 1641–1707, mistress of Louis XIV of France.