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There are 19 twelve-letter words containing A, C, H, L, 2O, P and T

CHLOROPLASTSchloroplasts n. Plural of chloroplast.
CHLOROPLAST n. a plastid that contains chlorophyll and is the site of photosynthesis.
CHROMOPLASTSchromoplasts n. Plural of chromoplast.
CHROMOPLAST n. a colored plastid usually containing red or yellow pigment, such as carotene.
HAPLOBIONTIChaplobiontic adj. (Biology) Describing a plant or fungus that has either a haploid or a diploid phase (but not both) in…
HAPLOBIONTIC adj. of or like a haplobiont, an organism living in a salt environment.
HEPATICOLOGYhepaticology n. The scientific study of liverworts (Marchantiophyta).
HEPATICOLOGY n. the study of liverworts.
HOLOPHRASTICholophrastic adj. (Linguistics, of a sentence) Consisting of a single word, such as "Go." or "Whatever.".
holophrastic adj. (Linguistics) Pertaining to the stage of development where a child produces simple one-word utterances.
HOLOPHRASTIC adj. of or like a holophrase, a single word expressing a sentence or phrase.
HOMEOTYPICALhomeotypical adj. (Biology) Of or resembling the usual type.
HOMEOTYPICAL adj. denoting or relating to the second nuclear division of meiosis, which resembles mitosis, also HOMOEOTYPICAL.
ORTHOCEPHALYorthocephaly n. The condition of being orthocephalic.
ORTHOCEPHALY n. the state of being orthocephalic.
ORTHOPEDICALorthopedical adj. (American spelling) Alternative form of orthopaedical.
ORTHOPEDICAL adj. related to orthopedics.
PATHOLOGICALpathological adj. (Medicine) Pertaining to pathology.
pathological adj. (Medicine) Relating to, amounting to, causing, or caused by a physical or mental disorder.
pathological adj. (Mathematics) Having properties which are counterintuitive or difficult to handle.
PHONOTYPICALphonotypical adj. Alternative form of phonotypic.
PHONOTYPICAL adj. of or like a phonotype, a printing type of phonetic alphabet, also PHONOTYPIC.
PHOTOELASTICphotoelastic adj. (Of a material) exhibiting birefringence when stressed.
photoelastic adj. Of, or relating to photoelasticity.
PHOTOELASTIC adj. relating to or exhibiting photoelastic.
PHOTONUCLEARphotonuclear adj. (Physics) Of or relating to any nuclear reaction involving a photon.
PHOTONUCLEAR adj. relating to or caused by the incidence of radiant energy (as gamma rays) on atomic nuclei.
PHOTOVOLTAICphotovoltaic adj. Producing a voltage when exposed to light.
photo-voltaic adj. Alternative spelling of photovoltaic.
PHOTOVOLTAIC adj. of, relating to, or utilizing the generation of a voltage when radiant energy falls on the boundary between dissimilar substances (as two different semiconductors).
PHYTOLOGICALphytological adj. Of or relating to phytology.
PHYTOLOGICAL adj. relating to phytology, botany.
POLYCHAETOUSpolychaetous adj. Relating to polychaetes.
POLYCHAETOUS adj. of or like a polychaete, a type of aquatic worm, also POLYCHETOUS.
PYROCATECHOLpyrocatechol n. (Organic chemistry) A dihydric phenol, benzene-1,2-diol, present in some tars.
PYROCATECHOL n. another name for catechol, also PYROCATECHIN.
SCOPTOPHILIAscoptophilia n. Alternative form of scopophilia.
SCOPTOPHILIA n. the practice of obtaining sexual pleasure from things seen, as e.g. naked bodies, also SCOPOPHILIA.
TAPHONOMICALtaphonomical adj. Alternative form of taphonomic.
TAPHONOMICAL adj. relating to taphonomy, also TAPHONOMIC.
THEOSOPHICALtheosophical adj. Of or pertaining to theosophy.
THEOSOPHICAL adj. relating to theosophy, also THEOSOPHIC.

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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See this list for:

  • English Wiktionary: 90 words
  • Scrabble in French: 5 words
  • Scrabble in Spanish: 6 words
  • Scrabble in Italian: 7 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 10 words


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