13-letter words containing s, t, o, p, i, n
- nitroprusside — (inorganic chemistry) Any salt, of the hypothetical nitroprussic acid, that contains a pentacyanonitrosylferrate anion.
- nitroso group — the univalent group O=N–.
- non-composite — Nautical. noting a vessel having frames of one material and shells and decking of another, especially one having iron or steel frames with shells and decks planked.
- non-sophistic — of the nature of sophistry; fallacious.
- nonabsorptive — Not absorptive.
- nonadsorptive — Not adsorptive.
- noncapitalist — a person who has capital, especially extensive capital, invested in business enterprises.
- nondeposition — the failure to deposit
- nondescriptly — in a nondescript manner
- nondisruptive — causing, tending to cause, or caused by disruption; disrupting: the disruptive effect of their rioting.
- nonpassionate — Not passionate.
- nonpersistent — persisting, especially in spite of opposition, obstacles, discouragement, etc.; persevering: a most annoyingly persistent young man.
- nonpractising — of or relating to a person who no longer observes or pursues his or her religious faith
- nonspecialist — a person who devotes himself or herself to one subject or to one particular branch of a subject or pursuit.
- o-proposition — a particular negative proposition
- omnipresently — In an omnipresent manner.
- on the parish — receiving parochial relief
- oneiroscopist — a person who specialises in studying and interpreting dreams
- onomatopoeias — Plural form of onomatopoeia.
- onychophagist — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- open position — Music. the arrangement of a chord with wide intervals between the parts.
- open question — question: invites long answer
- open registry — ship registration under a national flag available to all ships regardless of nationality.
- operativeness — (uncountable) The state or quality of being operative.
- opisthobranch — any gastropod mollusk of the order Opisthobranchia, as the sea slugs, sea butterflies, and sea hares, characterized by a vestigial or absent mantle and shell and two pairs of tentacles.
- opportunistic — adhering to a policy of opportunism; practicing opportunism.
- opportunities — Plural form of opportunity.
- oppositionary — the action of opposing, resisting, or combating.
- oppositionist — a person who offers opposition; a member of an opposition.
- optical sound — sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
- optimizations — Plural form of optimization.
- organotropism — Physiology. the attraction of microorganisms or chemical substances to particular organs or tissues of the body.
- outprocessing — to end a military tour of duty, accompanied by necessary paperwork: All enlisted soldiers out-process as a class.
- outwash plain — Geology. a broad, sloping landform built of coalesced deposits of outwash.
- over-shipment — an act or instance of shipping freight or cargo.
- ovipositional — pertaining to the laying of eggs through an ovipositor
- painted horse — paint (def 6).
- pan-teutonism — Pan-Germanism.
- pantheologist — a student of, or expert in, pantheology
- pantisocratic — relating to pantisocracy
- parthian shot — a sharp, telling remark, act, gesture, etc., made in departing.
- passion fruit — any edible fruit of a passionflower, as the maypop.
- past anterior — a pluperfect verb (in French)
- pentastichous — (of plant leaves) arranged in five vertical rows
- pentatonicism — the use of a five-tone scale.
- percussionist — a musician who plays percussion instruments.
- perfectionism — any of various doctrines holding that religious, moral, social, or political perfection is attainable.
- perfectionist — a person who adheres to or believes in perfectionism.
- periodontitis — inflammation of the periodontium caused by bacteria that infect the roots of teeth and the surrounding gum crevices, producing bleeding, pus formation, and gradual loss of bone and the tissues that support the teeth. Compare pyorrhea (def 2).
- periodontosis — rapidly advancing juvenile periodontitis.