shorthands/abbreviations/glossary

techn. or techns. - technician(s)
er. or ers. - engineer(s)
ID or IDs - IDentification(s)
ifo - in front of
awa - as well as
gnd or GND: GrouND
doc or docs - document(s)
antt. - antenna
satt. - satellite
radn - radiation
COM or comm. - communication
com - commercial
info - information


∈ - element
⊂ - child of, part of, subset of (⊄, ⊇)
⊃ - parent of
∅ - null
∪ - union of, mingled together, meshed together, blended
∩ - intersection of, common area


mono- is greek for latin's uni-
poly- is greek for latin's multi-
di- is greek for latin's bi-
tetra- is greek for latin's quadri-
hemi- is greek for latin's semi-
hexa- is greek for latin's sexa-
hepta- is greek for latin's septa-
iso- is greek for latin's equi-
holo- is greek for english's whole



Α   α Alpha            a
Β   β Beta               b
Γ   γ Gamma           g
Δ   δ Delta              d
Ε   ε Epsilon           e
Ζ   ζ Zeta                z
Η   η Eta                 h
Θ   θ Theta             th
Ι   ι Iota                   i
Κ   κ Kappa            k
Λ   λ Lambda         l
Μ   μ Mu                m
Ν   ν Nu                 n
Ξ   ξ Xi                   x
Ο   ο Omicron        o
Π   π Pi                   p
Ρ   ρ Rho                r
Σ   σ Sigma             s
Τ   τ Tau                 t
Υ   υ Upsilon          u
Φ   φ Phi                 ph
Χ   χ Chi                 ch
Ψ   ψ Psi                 ps
Ω   ω Omega          o


∝ - proportional
∞ - infinity
° - degree
℃ - degree centigrade