WordNet: hardness

the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale

• attribute hard

• attribute soft

• hypernym body, consistence, consistency, eubstance

• hyponym firmness

• hyponym incompressibility

hardness

• (englanti) softness (antonym)

• (englanti) hard (derivationally related)
• (suomi) kovuus (synonyymi)