ammonia

«ammonia» in Mova's school dictionary: A colourless gas with a very strong, sharp smell, made of… — its meaning for a pupil, its sense in the lessons and examples.

part of speech

noun (ammonia — uncountable)

meaning for a pupil

1) A colourless gas with a very strong, sharp smell, made of nitrogen and hydrogen. tree →

2) A liquid solution of this gas in water, used in some cleaning products. tree →

sense in the lessons

In science lessons ammonia is an example of a compound with a famous smell; it is made in nature when things rot and is in animal wee. Farmers use fertilisers made from ammonia to help crops grow. In safety lessons: never mix ammonia cleaners with bleach, because it makes poisonous gas. Phrases: smell of ammonia, ammonia cleaner.

examples

• Ammonia has a very strong smell. tree →
• The hamster cage smelled of ammonia. tree →
• Never mix bleach with ammonia; it makes a dangerous gas. tree →
• Ammonia is used to make fertilisers for farms. tree →
• Some glass cleaners contain ammonia. tree →
• Ammonia is made of nitrogen and hydrogen. tree →

note

Uncountable. Chemical formula NH3 (one nitrogen atom, three hydrogen atoms). Safety: open windows when cleaning; never mix cleaning products. Not the same as "ammonium" (part of some salts).

Trees and pragmatics

Every meaning and example of «ammonia» parsed by Mova, each sentence with its dependency tree and frames.