classification

«classification» in Mova's school dictionary: Sorting things into groups or classes by what they have… — its meaning for a pupil, its sense in the lessons and examples.

part of speech

noun (classification, classifications)

meaning for a pupil

1) Sorting things into groups or classes by what they have in common: the classification of animals. tree →

2) A group or class that something is put into: the classification "mammal". tree →

3) (formal) An official level or category, such as a film rating or a secret document's level. tree →

sense in the lessons

In science, classification sorts living things (vertebrates and invertebrates; mammals, birds, reptiles, fish, amphibians) and materials (solids, liquids, gases) using keys. In maths, shapes and numbers are classified (odd/even, prime, triangles by sides). Phrases: classification key, system of classification, classification of.

examples

• We made a classification key to sort the leaves. tree →
• The classification of animals puts whales with mammals, not fish. tree →
• Shapes can be classified by number of sides. tree →
• What is the classification of a frog? It is an amphibian. tree →
• Libraries use a classification system to shelve books. tree →
• The film's classification is PG. tree →

note

Verb: classify (classifies, classified). Countable for a group, uncountable for the act. Trap: classification depends on features you choose — a bat flies but is classified as a mammal, not a bird.

Trees and pragmatics

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