Term: delta ray: an electron ejected from matter by ionizing radiation
Broader: particle: a body having finite mass and internal structure but negligible dimensions | Unrelated: chirrup: a series of chirps
Broader: particle: a body having finite mass and internal structure but negligible dimensions | Unrelated: preemption: the right to purchase something in advance of others
Broader: particle: a body having finite mass and internal structure but negligible dimensions | Unrelated: nostalgia: longing for something past
Broader: particle: a body having finite mass and internal structure but negligible dimensions | Unrelated: rattlesnake root: herb of central and southern Europe having purple florets
Broader: particle: a body having finite mass and internal structure but negligible dimensions | Unrelated: stemmer: a device for removing stems from fruit (as from grapes or apples)
Broader: particle: a body having finite mass and internal structure but negligible dimensions | Unrelated: carefulness: the quality of being careful and painstaking
Broader: particle: a body having finite mass and internal structure but negligible dimensions | Unrelated: treatment: the management of someone or something
Broader: particle: a body having finite mass and internal structure but negligible dimensions | Unrelated: chlamydomonadaceae: green algae some of which are colored red by hematochrome
Broader: particle: a body having finite mass and internal structure but negligible dimensions | Unrelated: trip: a light or nimble tread
Broader: particle: a body having finite mass and internal structure but negligible dimensions | Unrelated: nobility: a privileged class holding hereditary titles