-
radioactive:material,
-
radioactive:substance,
-
inert:solute,
-
radioactive:atom,
-
fragile:material,
-
sensitive:material,
-
necessary:component,
-
number:material,
-
elemental:hydrogen,
-
exotic:material,
-
hazardous:material,
-
radioactive:gas,
-
radioactive:element,
-
fissile:material,
-
light:atom,
-
common:gas,
-
small:atom,
-
unconventional:material,
-
heavy:hydrogen,
-
related:substance,
-
chemical:constituent,
Category Nuances for tritium:
-
hazardous,
-
heavy,
-
unconventional,
-
radioactive,
-
elemental,
-
small,
-
necessary,
-
number,
-
light,
-
sensitive,
-
related,
-
exotic,
-
inert,
-
chemical,
-
common,
-
fissile,
-
fragile,
Simple Categories for tritium: