using thought or rational judgement. process of considering or reasoning about something. To have an idea, opinion or belief about something.

hormone secreted by pineal gland which inhibits melanin formation.

striving to achieve or attain something in face of difficulty or resistance. To try very hard to do something difficult.

for reason that.

Machine for storing data, accessing the internet.

sixty seconds. Records in writing what is said at a meeting.

mobile phone that performs many of the functions of computer. Telephones that have applications.

fixed or movable upright partition used to divide room, give shelter from draughts, heat, or light. Displays in a theater on which movies are shown. conceal, protect, or shelter person or thing with screen.

Without taking a lot of time; fast.

piece of mechanical or electronic equipment. To be left to do what you want.

To manufacture something using machines.

To develop certain features.

Used to add new (often different) information.

pair of lenses set in frame resting on nose and ears, used to correct or assist defective eyesight. Clear hard containers used for drinking.

any of large group of organic compounds occurring in foods. Substance providing energy in foods (rice, bread).