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List of 13-letter words containing ••••••

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There are 19 thirteen-letter words containing H, N, 2O, P, T and U

BOUSTROPHEDON• boustrophedon adv. (Historical, calligraphy, of writing) In a fashion such that the reading direction changes from right-to-left…
• boustrophedon adj. (Historical, calligraphy, of writing) Written from right-to-left and left-to-right on alternate lines.
• boustrophedon adj. (Figuratively) Changing direction, going back and forth.
BUTYROPHENONE• butyrophenone n. (Pharmacology) Any of a class of antipsychotic drugs (such as haloperidol) used especially in the treatment…
• BUTYROPHENONE n. any of a class of antipsychotic drugs (as haloperidol) used esp. in the treatment of schizophrenia.
CONDUCTORSHIP• conductorship n. The position of conductor of an orchestra.
• CONDUCTORSHIP n. the office of conductor.
ENTOMOPHAGOUS• entomophagous adj. Feeding on insects; insectivorous.
• ENTOMOPHAGOUS adj. eating insects.
ENTOMOPHILOUS• entomophilous adj. Of, pertaining to, or pollinated by means of entomophily.
• ENTOMOPHILOUS adj. of flowers, pollinated by insects.
HYMENOPTEROUS• hymenopterous adj. (Entomology) Of the order Hymenoptera; hymenopteran.
• HYMENOPTEROUS adj. having four membranous wings, as do ants, bees and wasps.
LUTEOTROPHINS• luteotrophins n. Plural of luteotrophin.
• LUTEOTROPHIN n. another name for the hormone prolactin, also LUTEOTROPIN.
NEUROTROPHIES• NEUROTROPHY n. nutrition of the nervous system; the influence of the nervous system on nutrition.
ODONTOPHOROUS• odontophorous adj. (Zoology) Having an odontophore.
• ODONTOPHOROUS adj. of or like an odontophore, the rasping apparatus in molluscs.
OPENMOUTHEDLY• openmouthedly adv. With the mouth open, especially in astonishment.
• OPENMOUTHED adv. vociferous.
PHONAUTOGRAPH• phonautograph n. (Historical) A device for recording sound vibrations in a visible form.
• PHONAUTOGRAPH n. an instrument for recording sound vibrations.
PHOTOCURRENTS• photocurrents n. Plural of photocurrent.
• PHOTOCURRENT n. a stream of electrons produced by photoelectric or photovoltaic effects.
PHOTONEUTRONS• photoneutrons n. Plural of photoneutron.
• PHOTONEUTRON n. a neutron emitted from a nucleus as a result of photodisintegration.
PHOTOREDUCING• photoreducing v. Present participle of photoreduce.
• PHOTOREDUCE v. to photocopy with reduction of the image.
PNEUMATOPHORE• pneumatophore n. (Zoology) A gas-filled sac or float of some colonial marine coelenterates, such as the Portuguese man-of-war.
• pneumatophore n. (Botany) An aerial root, in mangroves etc., specialized for gaseous exchange.
• pneumatophore n. An apparatus consisting of a bag with a tube and mouthpiece, which may be attached to the body. The…
SOUSAPHONISTS• sousaphonists n. Plural of sousaphonist.
• SOUSAPHONIST n. one who plays the sousaphone.
STENOPHYLLOUS• stenophyllous adj. (Botany) Having narrow leaves.
• STENOPHYLLOUS adj. with narrow leaves.
SULPHONATIONS• sulphonations n. Plural of sulphonation.
• SULPHONATION n. the act of sulphonating.
TAUTOPHONICAL• tautophonical adj. Pertaining to, or characterized by, tautophony; repeating the same sound.
• TAUTOPHONICAL adj. relating to tautophony, also TAUTOPHONIC.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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