Inside the Universes

'antiparallel'

[antiparallel.s.01] as in: (especially of vectors) parallel but oppositely directed

Origins

					antiparallel (English)
├── anti- (English)
│   └── ἀντί (Ancient Greek (to 1453))
└── parallel (English)
    └── παράλληλος (Ancient Greek (to 1453))