Synonyms and Antonyms for group-pteridospermae
1. group Pteridospermae (n.)
used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
2. Pteridospermae (n.)
used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
3. group (n.)
any number of entities (members) considered as a unit
- halogen
- rare-earth element
- human beings
- biological group
- series
- humans
- community
- edition
- race
- world
- rare earth
- cloud
- man
- swarm
- masses
- people
- system
- arrangement
- social group
- actinide
- humankind
- lanthanide
- biotic community
- hoi polloi
- actinoid
- sainthood
- humanity
- multitude
- kingdom
- abstraction
- lanthanon
- lanthanoid
- mankind
- aggregation
- collection
- ethnic group
- electron shell
- ethnos
- citizenry
- straggle
- actinon
- association
- population
- scheme
- the great unwashed
- human race
- abstract entity
- mass
- circuit
- varna
- subgroup
- accumulation
- assemblage
- grouping
6. group (n.)
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
- benzyl group
- carboxyl group
- hydroxyl radical
- vinyl group
- radical
- vinyl radical
- allyl group
- uranyl
- nitrite
- uranyl group
- alkyl radical
- ketone group
- unit
- amino
- benzyl radical
- cacodyl
- cacodyl radical
- allyl radical
- methylene
- alcohol group
- aldehyde group
- carbonyl group
- acyl group
- alkyl group
- azo group
- building block
- chemical group
- cyano radical
- cyanide group
- cyano group
- carboxyl
- acyl
- uranyl radical
- allyl
- hydrazo radical
- alcohol radical
- cyanide radical
- molecule
- propyl radical
- methylene group
- benzoyl group
- amyl
- vinyl
- propyl group
- amino group
- benzyl
- propyl
- hydrazo group
- chromophore
- cacodyl group
- azido group
- glyceryl
- arsenic group
- azido radical
- alkyl
- hydroxyl group
- benzoyl radical
- azo radical
- butyl
- nitro group
- aldehyde radical
- methylene radical
- hydroxyl
7. group (n.)
a set that is closed, associative, has an identity element and every element has an inverse
