Work done to find or discover knowledge. investigate systematically.

The state or quality of being dark in color.

To move someone to a higher position or rank.

device that automatically regulates temperature, or that activates device when temperature reaches certain point.

Referring to any particular kind, type, quantity. at all. Anything or everything needed; no matter what. said as response indicating reluctance to discuss something, often implying indifference. used for emphasis instead of 'what' in questions.

not covered or hidden. To make visible, without covering or protection.

action or fact of owning, maintaining, or protecting something. To do something that you have promised or agreed.

amount, level, or extent. Units for measuring temperature or angles.

gladly received. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To accept or receive something happily and gladly.

come into forcible contact with another object.

hormone secreted by pineal gland which inhibits melanin formation.

in state of sleep. fact or state of being asleep. To have enough beds for.

Having had your attention taken; curious. To persuade to do, become involved with something.

agricultural products. make or manufacture.

lively and exciting. assault in which victim is kicked repeatedly. To hit or move something with the foot.