Term: propenal: a pungent colorless unsaturated liquid aldehyde made from propene
Broader: chemical: material produced by or used in a reaction involving changes in atoms or molecules | Unrelated: dactyloctenium: a monocotyledonous genus of the family Gramineae
Broader: chemical: material produced by or used in a reaction involving changes in atoms or molecules | Unrelated: hand fern: tropical American fern with coarsely lobed to palmatifid fronds
Broader: chemical: material produced by or used in a reaction involving changes in atoms or molecules | Unrelated: enterovirus: any of a group of picornaviruses that infect the gastrointestinal tract and can spread to other areas (especially the nervous system)
Broader: chemical: material produced by or used in a reaction involving changes in atoms or molecules | Unrelated: hike: a long walk usually for exercise or pleasure
Broader: chemical: material produced by or used in a reaction involving changes in atoms or molecules | Unrelated: three-dimensional radar: radar that will report altitude as well as azimuth and distance of a target
Broader: chemical: material produced by or used in a reaction involving changes in atoms or molecules | Unrelated: eponymy: the derivation of a general name from that of a famous person
Broader: chemical: material produced by or used in a reaction involving changes in atoms or molecules | Unrelated: philhellene: an admirer of Greece and everything Greek
Broader: chemical: material produced by or used in a reaction involving changes in atoms or molecules | Unrelated: crossbones: two crossed bones (or a representation of two crossed bones) used as a symbol danger or death
Broader: chemical: material produced by or used in a reaction involving changes in atoms or molecules | Unrelated: yellow pine: hard yellowish wood of a yellow pine
Broader: chemical: material produced by or used in a reaction involving changes in atoms or molecules | Unrelated: allometry: the study of the relative growth of a part of an organism in relation to the growth of the whole