– n. – A factor that can change in quality, quantity, or size, which you have to take into account in a situation.
– n. – obsessive preoccupation with oneself.
– n. – A period of time that you spend working somewhere or doing a particular activity.
– n. – Detailed instructions, as for a military operation.
– v. – To receive from someone who has died.
– adj. – Continually disturbed by an unstable situation of extreme danger or difficulty.
– v. – To lose vigor, health or flesh as through grief.
– n. – An animal or plant that died many thousands of years ago and has been preserved in rock.
– v. – To quarrel (or argue) noisily, angrily, or disruptively.
– n. – A substantial amount, usually a large piece or amount of something else.
– v. – To give up, such as power.
– n. – The study of changes in the number of births, marriages, deaths, etc. in a particular area during a period of time.
– n. – A measurement or value which gives you an idea of what something is like.
– v. – To obtain it from something else, for example, by using industrial or chemical processes.
– v. – To become ground down or deteriorate.
– adj. – Strange and difficult to explain.