taxo - thro
- taxocene
- taxon
- taxonomic
- taxonomic diversity
- taxonomic species
- taxonomic taxon
- taxonomic unit
- taxonomical
- TBEL
- TBq
- TBRG
- TCLBS
- TCO
- TCP
- TCSW
- TCV
- TCWQ
- TDH
- TDS
- tea leaved willow
- teak forest
- team
- team behavior
- team behaviour
- teaming-up
- teart
- technical advisory committee
- technical assessment
- technical backstopping
- Technical Committee on Storm Overflow and Disposal of Storm Sewage
- technical committee on water quality
- technical conference on cost-effective meterological instrumentation and methods of observation
- Technical Conference on Instruments and Cost-Effective Meteorological Observations
- Technical Conference on Instruments and Methods of Observation
- Technical Conference on Observation and Measurement Contaminants
- Technical Conference on Observation and Measurement of Atmospheric Contaminants
- Technical Conference on Observations and Measurements of Atmospheric Pollution
- technical conference on the economic and social benefits of meteorological and hydrological services
- Technical Council for Surface Water
- technical grade