used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

pair of fine wires crossing at right angles at focus of optical instrument or gunsight. Either of two fine strands of wire crossed in the focus of the eyepiece of an optical instrument and used as acalibration or sighting reference.

relating to tutor or tutor's tuition. period of tuition given by university or college tutor.

amount, level, or extent. Qualifications received after completing university.

Making arm, leg muscles longer to ease them. be made or be capable of being made longer or wider without tearing or breaking.

Plane curve made by cone and plane intersecting.

thing chosen. Rights to buy or sell at a certain price and time. buy or sell option on.

quality of lacking transparency or translucence.

To choose a suitable thing from a group.

gladly received. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To greet someone who has just arrived.

act of asking politely or formally for something. politely or formally ask for.

In an up and down position.

shape. Perfectly round shapes. To enclose in something round by surrounding it.

machine or device for making copies of something. Apparatus that makes copies of typed, written or drawn material.

To create electricity, heat, energy and power.