List of 13-letter words containing

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There are 11 thirteen-letter words containing REFR

BIREFRINGENCE	• birefringence n. (Physics) The splitting of a ray of light into two parallel rays of perpendicular polarization by passage… • BIREFRINGENCE n. the refraction of light in an anisotropic material (as calcite) in two slightly different directions to form two rays.
IRREFRANGIBLE	• irrefrangible adj. Not to be broken or transgressed against; inviolable. • irrefrangible adj. (Physics) Incapable of being refracted. • IRREFRANGIBLE adj. that cannot or should not be broken.
IRREFRANGIBLY	• irrefrangibly adv. In an irrefrangible manner. • IRREFRANGIBLE adv. that cannot or should not be broken.
REFRACTOMETER	• refractometer n. (Physics) An optical instrument used to measure the refractive index of a substance. • REFRACTOMETER n. an instrument for measuring the refraction of light.
REFRACTOMETRY	• refractometry n. (Physics) the measurement of refractive index. • REFRACTOMETRY n. measurement by refractometer.
REFRIGERATING	• refrigerating v. Present participle of refrigerate. • REFRIGERATE v. to make or keep cold.
REFRIGERATION	• refrigeration n. The process of transferring heat from an object in order to cool it. • refrigeration n. The process of preserving something by cooling. • refrigeration n. (Medicine) The cooling of the body for therapeutic purposes.
REFRIGERATIVE	• refrigerative adj. Cooling; allaying heat. • refrigerative n. A refrigerant. • REFRIGERATIVE adj. serving to refrigerate.
REFRIGERATORS	• refrigerators n. Plural of refrigerator. • REFRIGERATOR n. something that refrigerates.
REFRIGERATORY	• refrigeratory n. (Dated) That which refrigerates or cools. • refrigeratory adj. Mitigating heat; cooling. • REFRIGERATORY adj. cooling; refrigerative.
REFRINGENCIES	• refringencies n. Plural of refringency. • REFRINGENCY n. refractivity, also REFRINGENCE.

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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English Wiktionary: 32 words
Scrabble in French: 30 words
Scrabble in Spanish: 48 words
Scrabble in Italian: 31 words
Scrabble in German: no word
Scrabble in Romanian: 32 words

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