12-letter words containing a, d, p, o
- lapped joint — a joint made by placing one member over another and fastening them together
- leopard frog — a common North American green frog, Rana pipiens, having white-edged, dark oval spots on its back.
- leopard lily — a tall lily, Lilium pardalinum, of California, having drooping, orange-red flowers with purple speckles, a yellow base, and recurved petal tips.
- leopard moth — a moth, Zeuzera pyrina, having white wings spotted with black and larvae that bore into the wood of various trees and shrubs.
- leopard seal — a yellowish-gray, spotted seal, Hydrurga leptonyx, of the Antarctic.
- leopardesses — Plural form of leopardess.
- lepidomelane — (mineralogy) A black iron-potash mica, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales.
- lepidopteran — lepidopterous.
- liar paradox — a logical paradox that results from consideration of statements of the form “This statement is false.” If the statement is true, then it is false, whereas if it is false, then it is true.
- lithographed — Simple past tense and past participle of lithograph.
- loading ramp — a ramp that is used for loading a ship
- london plane — a tall, hardy, widely spreading plane tree, Platanus acerifolia, of North America, having clusters of round, bristly fruit.
- lope de vega — Lope [loh-pey,, -pee;; Spanish law-pe] /ˈloʊ peɪ,, -pi;; Spanish ˈlɔ pɛ/ (Show IPA), (Lope Félix de Vega Carpio) 1562–1635, Spanish dramatist and poet.
- loudspeakers — Plural form of loudspeaker, especially a pair for a left and right channel.
- lymphadenoma — an enlarged lymph node.
- madreporites — Plural form of madreporite.
- magnoliopsid — (botany) a member of the class Magnoliopsida. Circumscription of this class will vary with the taxonomic system being used.
- mass-produce — to produce or manufacture (goods) in large quantities, especially by machinery.
- meadow pipit — a common European songbird, Anthus pratensis, with a pale brown speckled plumage: family Motacillidae (pipits and wagtails)
- media person — a person who works in the mass media
- median point — centroid (def 2).
- mediatorship — the position of a mediator
- mesoappendix — the mesentery of the vermiform appendix.
- mimeographed — Simple past tense and past participle of mimeograph.
- monadelphous — (of stamens) united into one bundle or set by their filaments.
- monodelphian — any placental mammal that is a member of the group Monodelphia
- mousetrapped — Simple past tense and past participle of mousetrap.
- name-dropper — a person who indulges in name-dropping.
- newspaperdom — The realm or sphere of newspaper publishing or journalism.
- non-adoption — the act of adopting: the adoption of a new amendment.
- nontyphoidal — of, relating to, or resembling typhoid.
- nordkyn cape — Cape, a cape in N Norway, E of North Cape: northernmost point of the European mainland.
- normed space — any vector space on which a norm is defined.
- nucleocapsid — the nucleic acid core and surrounding capsid of a virus; the basic viral structure.
- oak-panelled — having panels that are made of oak
- oakland park — a town in S Florida.
- octapeptides — Plural form of octapeptide.
- odontography — a treatise regarding the teeth
- odontophobia — an unnatural dread or terror of teeth
- odontophoran — a member of the family Odontophora
- oilseed rape — Oilseed rape is a plant with yellow flowers which is grown as a crop. Its seeds are crushed to make cooking oil.
- old prussian — a Baltic language extinct since the 17th century. Abbreviation: OPruss.
- olla podrida — a spicy Spanish stew of sausage and other meat, chickpeas, and often tomatoes and other vegetables.
- on shipboard — on board a ship
- onion-shaped — bulb-shaped; shaped like an onion
- open-hearted — unreserved, candid, or frank: open-hearted advice.
- opera window — a narrow, fixed window on each side of the rear passenger compartment of an automobile.
- opium addict — someone who is addicted to the dried juice extracted from the unripe seed capsules of the opium poppy
- optical diff — vdiff
- optical disc — Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.