Term: critical mass: the minimum mass of fissionable material that can sustain a chain reaction
Broader: physical property: any property used to characterize matter and energy and their interactions | Unrelated: pancarditis: inflammation of the entire heart (the epicardium and the myocardium and the endocardium)
Broader: physical property: any property used to characterize matter and energy and their interactions | Unrelated: water beetle: any of numerous aquatic beetles usually having a smooth oval body and flattened hind legs for swimming
Broader: physical property: any property used to characterize matter and energy and their interactions | Unrelated: commination: a threat of divine punishment or vengeance
Broader: physical property: any property used to characterize matter and energy and their interactions | Unrelated: cistothorus: marsh wrens
Broader: physical property: any property used to characterize matter and energy and their interactions | Unrelated: evidence: an indication that makes something evident
Broader: physical property: any property used to characterize matter and energy and their interactions | Unrelated: crew neck: a plain straight neckline opening from shoulder to shoulder of sweaters
Broader: physical property: any property used to characterize matter and energy and their interactions | Unrelated: go fish: a card game for two players who try to assemble books of cards by asking the opponent for particular cards
Broader: physical property: any property used to characterize matter and energy and their interactions | Unrelated: conversation: the use of speech for informal exchange of views or ideas or information etc.
Broader: physical property: any property used to characterize matter and energy and their interactions | Unrelated: cutwork: embroidery in which the design is outlined in a buttonhole stitch and the intervening material is cut away
Broader: physical property: any property used to characterize matter and energy and their interactions | Unrelated: bermuda chub: food and game fish around Bermuda and Florida; often follow ships