hardness

noun 0.666

penetrometer

noun 0.593

water hardness

noun 0.588

rheometer

noun 0.582

hydrometer

noun 0.581

dynamometer

noun 0.565

hard

noun 0.560

hardener

noun 0.557

elastomer

noun 0.545

rheometry

noun 0.541

hygrometer

noun 0.541

densitometer

noun 0.531

hard c

noun 0.523

hard g

noun 0.522

durability

noun 0.510

hardpan

noun 0.509

rubber

noun 0.506

elastomeric

noun 0.505

firmness

noun 0.504

hardening

noun 0.504

dilatometer

noun 0.503

microdensitometer

noun 0.503

psychrometer

noun 0.502

oedometer

noun 0.502

tonometer

noun 0.500