STP 
(ĕtēpē)
(ĕtēpē)n.
Standard temperature (273.15K or 0°C) and pressure (1 atmosphere or 105 pascals), used chiefly in measurements of gases.
- synaptically
- synaptic cleft
- synaptic vesicle
- synaptinemal complex
- synaptonemal complex
- synaptosomal
- synaptosome
- synarthrodia
- synarthrodial
- synarthrodially
- synarthrosis
- sync
- syncarp
- syncarpous
- syncarpy
- synch
- synch
- synchondrosis
- synchro
- synchro-
- synchrocyclotron
- synchroflash
- synchromesh
- synchronal
- synchronic