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List of 12-letter words containing

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There are 18 twelve-letter words containing 3E, H, L, O and P

CEPHALOCELEScephaloceles n. Plural of cephalocele.
CEPHALOCELE n. the protrusion of the membranes of the brain through a hole in the skull.
CEPHALOMETERcephalometer n. An instrument for measuring the head.
cephalometer n. A device for positioning the head, and holding it steady, for an X-ray or surgery; a cephalostat.
CEPHALOMETER n. an instrument for positioning the human head for X-ray examination in cephalometry.
ELECTROPHILEelectrophile n. (Chemistry) A compound or functional group that is attractive to, and accepts electrons, especially…
ELECTROPHILE n. an electrophilic substance, such as an electron-accepting reagent.
ELECTROPHONEelectrophone n. (Music) any instrument designed to create sounds using electric currents.
ELECTROPHONE n. any instrument whose sound is produced by the oscillation of an electric current, such as an electronic organ, synthesizer, etc.
EPENCEPHALONepencephalon n. (Anatomy) The segment of the brain next behind the midbrain, including the cerebellum and pons; the hindbrain.
EPENCEPHALON n. the cerebellum.
EPHEBOPHILESephebophiles n. Plural of ephebophile.
EPHEBOPHILE n. one who is sexually attracted to adolescents.
EXTREMOPHILEextremophile n. (Ecology) An organism that lives under extreme conditions of temperature, salinity etc; commercially…
EXTREMOPHILE n. an organism that lives under extreme environmental conditions.
HECKELPHONESheckelphones n. Plural of heckelphone.
HECKELPHONE n. an instrument of the oboe family.
HELICOPTEREDhelicoptered v. Simple past tense and past participle of helicopter.
HELICOPTER v. to travel by helicopter.
HELIOSPHERESheliospheres n. Plural of heliosphere.
HELIOSPHERE n. the region in space influenced by the sun or solar wind.
HETERODUPLEXheteroduplex n. (Biochemistry) A nucleic acid composed of two chains with each derived from a different parent molecule.
heteroduplex v. To form such a compound by genetic recombination.
HETERODUPLEX n. a nucleic-acid molecule, such as DNA, composed of two chains with each derived from a different parent molecule.
HETEROPHILESheterophiles n. Plural of heterophile.
HETEROPHILE n. a polymorphonuclear leukocyte in humans that may be stained with dyes, also HETEROPHIL.
HOPELESSNESShopelessness n. The lack of hope; despair.
HOPELESSNESS n. the state of being hopeless.
NEPHELOMETERnephelometer n. (Analytical chemistry) An instrument for measuring various aspects of the suspended particles in a fluid;…
NEPHELOMETER n. an instrument for measuring cloudiness.
NEPHELOMETRYnephelometry n. (Analytical chemistry) The measurement of the concentration of a solution, suspension or dispersion…
nephelometry n. (Immunology) A technique used to determine the levels of antibodies or antigens in a suspension, based…
NEPHELOMETRY n. the measurement of the cloudiness of liquids.
PHYLOGENESESphylogeneses n. Plural of phylogenesis.
PHYLOGENESIS n. the evolutionary development of a species or other group of organisms through a succession of forms.
POLYETHYLENEpolyethylene n. (Organic chemistry) A polymer consisting of many ethylene monomers bonded together; used for kitchenware…
POLYETHYLENE n. a generic name for certain thermoplastics, polymers of ethylene, also POLYTHENE.
SPELAEOTHEMSSPELAEOTHEM n. a term for depositional features, such as stalactites and stalagmites, found in caves, also SPELEOTHEM.

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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