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laudanum a solution of opium and alcohol.
laudation the act or an instance of praising or being praised; commendation.
laudatory expressing praise.
laugh to express amusement, happiness, mirth, derision, or other emotions by making nonverbal sounds with the mouth and distorting the face in an expression like a smile. [6 definitions]
laughable exciting laughter or derision.
laughing laughter. [3 definitions]
laughing gas see nitrous oxide.
laughingstock one who is the object or butt of ridicule or jokes.
laugh in one's sleeve to hide one's amusement or disdain.
laughter the act or sound of laughing. [2 definitions]
laugh up one's sleeve to hide one's amusement or disdain.
launch1 to propel with force. [6 definitions]
launch2 a large open boat propelled by a motor. [2 definitions]
launcher a person or thing that serves to launch something. [2 definitions]
launch pad the platform or base from which a rocket, guided missile, or space vehicle is launched.
launch vehicle a system, usu. a rocket, from which a spacecraft or other payload is launched.
launch window the short period of time during which a rocket must be launched if it is to arrive at a certain place at a certain time.
launder to wash, or wash and iron (clothing, linens, or the like). [5 definitions]
launderette a self-service laundry.
laundress a woman whose work is washing and ironing laundry; washerwoman.
laundrette (chiefly British) a commercial laundry facility having coin-operated washers and dryers.