Term: plutonium: a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: western saxifrage: saxifrage having loose clusters of white flowers on hairy stems growing from a cluster of basal leaves; moist slopes of western North America
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: stele: the usually cylindrical central vascular portion of the axis of a vascular plant
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: title page: a page of a book displaying the title and author and publisher
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: preserve: a reservation where animals are protected
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: attack dog: a watchdog trained to attack on command
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: dhegiha: any member of a Siouan people speaking one of the Dhegiha languages
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: unitization: (psychology) the configuration of smaller units of information into large coordinated units
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: nonresistance: group refusal to resort to violence even in defense against violence
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: enuresis: inability to control the flow of urine and involuntary urination
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: allure: the power to entice or attract through personal charm