shǒu​héng

conservation

守恒 (守恆) shǒu​héng
conservation adjective
the principle of physical quantities such as energy or momentum remaining constant in a closed system
constant descriptive
to remain unchanged in value or quantity

Frequency

Movie subtitles
0.120 per million appears in 0% of films
Written text
0.870 per million

Sources

Definitions
CC-CEDICT