branch of physical science that deals with relations between heat and other forms of energy. Area of science concerned with the relationship between heat and other forms of energy.

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To accept or receive something happily and gladly.

To go and get something and bring it back.

digital audio file made available on internet for downloading. make multimedia digital file available as podcast.

Used to add new (often different) information.

relating to or consisting of living cells.

statement that two values are equal.

Introduction of a new product, film, book, etc.. To allow a film, music etc. to be sold/distributed.

Causing trouble. Question to show understanding of a math concept.

action performed or feeling experienced in response to situation or event. Bodily responses to drugs or something eaten.

thermodynamic quantity representing unavailability of system's thermal energy for conversion into mechanical work.

Able to be used at a scheduled time.

thing characteristic of its kind. be illustrated or exemplified.

person just starting to learn skill or take part in activity. People new to fields or activities.

statement or account that makes something clear.