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lutein
luteinising hormone
luteinizing hormone
luteinizing hormone-releasing hormone
lutenist
luteolin
lutetium
lutfisk
Lutheran
Lutheranism
luthier
lutist
Luton
lutz
Lützen
luv
luvvie
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lyase

ly·ase [ l àyss, l àyz ] (plural ly·ases)


noun 
Definition:
 
enzyme: an enzyme that catalyzes either the formation of a double bond, or the addition of a chemical group at a double bond

[Mid-20th century. < Greek luein "loosen"]
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