def

phenomenon

Aspect of scientific interest with measurable quantities

meta

supertypes

marker

Marker labels a dict with typing information

subtypes

drive

Related to the drive control of a motor

elec

Associated with electricity, electric charge

    ac-elec

Alternating current electricity

    dc-elec

Direct current electricity

light

Electromagnetic radiation in the visibile spectrum

solar

Relating to energy from the sun

state

Software, hardware, or process control status

substance

Matter in one the three states solid, liquid, or gas

    fluid

Liquid or gas

        gas

Substance with neither definite volume nor shape

            air

The mixture of gases which surrounds the earth

            naturalGas

Fossil fuel energy source consisting largely of methane and other hydrocarbons

            steam

Water in its gas form

        liquid

Substance with definite volume but takes the shape of its container

            condensate

Liquid phase produced by the condensation of steam or other gas

            fuelOil

Petroleum based oil burned for energy

            gasoline

Petroleum derived liquid used as a fuel source

            water

Water in its liquid form

                blowdown-water

Water expelled from a system to remove mineral build up

                chilled-water

Water used for HVAC cooling

                condenser-water

Water used used to remove heat through condensation

                domestic-water

Tap water for drinking, washing, cooking, and flushing of toliets

                hot-water

Hot water used for HVAC heating or supply to hot taps

                makeup-water

Water used used to makeup water loss through leaks, evaporation, or blowdown

        refrig

Fluid used in refrigeration and heat exchange

    solid

Substance with definite shape and volume

        ice

Water in its solid form

weather

Associated with atmospheric air or phenomenon

wind

Flow of air on surface of the Earth