unit 4 (chemistry, medicine) and unit 10 (rocket science) - IELTS advanced vocab.

chemical engineer

A scientist who uses chemical reactions to solve problems.

pesticide

substance that kills rats, insects, bacteria, etc.

herbicide

a substance for killing plants, especially weeds

fertilizer

a substance that provides nutrients to help crops grow better

potassium

kálium

detergent

a water-soluble cleaner

bleach

a chemical compound used to whiten or make lighter

compound

A substance made up of atoms of two or more different elements joined by chemical bonds

dosage

Amount and frequency of a medicinal drug that may be taken safely

absorb

to soak up or take in

remedy

a medicine or therapy that cures disease or relieve pain

consume

to absorb; to use up

assessment

evaluation

exposure

to come in contact

contamination

the process of becoming unclean

urban myth

a story or statement that is not true but is often repeated, and believed by many to be true

chemicals

atoms and molecules

greenhouse effect

warming that results when solar radiation is trapped by the atmosphere

substance

matter that has a uniform and definite composition

toxic

poisonous

petrochemicals

Compounds that are made from oil

additives

additional formulation aids that may be necessary for a successful preparation of the dosage form

hydrocarbons

Compounds composed of only carbon and hydrogen

carbohydrates

An energy-rich organic compound made of the elements carbon, hydrogen, and oxygen

thyroid

pajzsmirigy

iodine

jód

prune

aszalt szilva

open the floodgates

to suddenly make it possible or easier for a lot of things to happen

bewildered

completely puzzled or confused

penetrate

to pass into or through

surface

the outside of something

sustain

to support for an extended period of time

have an impact on

effect on

debris

scattered fragments, wreckage

rotational

spinning

explode

to blow up

solidify

to make or become firm or solid

dissolve

to make or become liquid

evaporation

The change of a substance from a liquid to a gas

reflect

to bend or throw back light or heat

repel

to drive away

expand

increase in size

condensation

gas to liquid

burst, burst, burst

to suddenly break open

dilute

to make a liquid less concentrated

collide

to crash into

release

to set free, to emit, to let out

pierce

to make a hole or opening

melt

change from a solid to a liquid

spin

to rotate quickly