panel of keys on computer or typewriter. enter data by means of keyboard.

having effect of making something less warm or hot. action of making less hot. (Of an emotion, etc.) to become less strongly felt.

offer or kill as religious sacrifice.

improved by addition or replacement of components. To improve something in terms of quality.

act of slaughtering animal or person or surrendering possession as offering to God or to divine or supernatural figure. Decisions to give up things to get another thing. To give up your life for others, for a cause etc..

having paid employment. action of doing work. To operate a machine or device.

Difference in light and dark in photos, etc.. To compare; to show clear, obvious differences.

High level of worth or excellence.

To check and makes changes before publication.

act of upgrading something. raise something to higher standard.

Act of comparing things.

without doubt.

lacking in required or necessary quality. To desire or wish for something; hope for a thing.

arrange to receive something regularly by paying in advance.

estimate similarity or dissimilarity between.