@fediverse They can't decide what we should be using either, so one day a particular phrase is the 'in' thing the next week it is deemed offensive, in favour of something else.
Result no one is really sure what terminology they are meant to use
From a 'chemist' viewpoint there are a;lso cis / trans molecules which I think refers to where a particluar atom of say a halogen is on the carbon chain, either on the same side or opposite sides.