panspermatism /pan-spûrˈmə-ti-zm/, panspermism /-mi-zm/, panspermy /-mi/ or panspermia /-mi-ə/

The theory that life could be diffused through the universe by means of germs carried by meteorites or that life was brought to earth by this means

panspermatˈic or pansperˈmic adjective

pansperˈmatist or pansperˈmist noun

• heterocarpous
• Heterocera
• heterocercal
• heterocercalities
• heterocercality
• heterocercies
• heterocercy
• heterochlamydeous
• heterochromatic
• heterochromatin
• heterochromous
• heterochronic
• heterochronies
• heterochronism
• heterochronisms
• heterochronistic
• heterochronous
• heterochrony
• heteroclite
• heteroclites
• heteroclitic
• heteroclitous
• heterocont
• Heterocontae
• heteroconts