Greek Reference

A

a

alpha

a

B

b

beta

b

G

g

gamma

g

D

d

delta

d

E

e

epsilon

e (short)

Z

z

zeta

z

H

h

eta

e (long)

TH

th

theta

th

I

i

iota

i

K

k

kappa

k

L

l

lambda

l

M

m

mu

m

N

n

nu

n

X

x

xi

x

O

o

omicron

o (short)

P

p

pi

p

R

r

rho

r

S

s

sigma

s

T

t

tau

t

Y

y

upsilon

u/y

PH

ph

phi

ph

CH

ch

chi

ch

PS

ps

psi

ps

O

o

omega

o (long)

logos

word, reason, study

logic, biology, technology, -logy

grapho

to write

graph, biography, cryptography

techne

craft, skill

technology, technical, technique

kryptos

hidden

cryptography, encrypt, crypt

phileo

to love

philosophy, philanthropy

sophia

wisdom

philosophy, sophisticated

arche

beginning, rule

architecture, monarchy, archive

polis

city

politics, metropolis, policy

demos

people

democracy, demographics

nomos

law, custom

autonomy, economics, taxonomy

metron

measure

metric, geometry, perimeter

chronos

time

chronology, synchronize

autos

self

autonomous, automatic, autopsy

bios

life

biology, biography, biopsy

theos

god

theology, atheism, theocracy

pi

pi

Circle ratio (3.14159…​)

sigma (upper)

Sigma

Summation

sigma (lower)

sigma

Standard deviation

delta (upper)

Delta

Change/difference

mu

mu

Micro- prefix, mean

lambda

lambda

Wavelength, anonymous functions

omega (upper)

Omega

Ohms (resistance), end/last

alpha

alpha

First, significance level

beta

beta

Second, type II error

gamma

gamma

Third, Euler-Mascheroni constant

epsilon

epsilon

Small quantity, machine epsilon

theta

theta

Angle, Big-Theta notation

phi

phi

Golden ratio (1.618…​)

rho

rho

Correlation, density

mono-

one

monolith, monopoly

di-

two

dilemma, dioxide

tri-

three

triangle, trilogy

poly-

many

polygon, polyglot

micro-

small

microservices, microscope

macro-

large

macroeconomics, macro

hyper-

over/above

hypervisor, hyperlink

hypo-

under

hypothesis, hypodermic

syn-/sym-

together

synchronize, symbiosis

anti-

against

antivirus, antithesis

auto-

self

automation, autonomous

crypto-

hidden

cryptography, cryptocurrency

pseudo-

false

pseudocode, pseudonym

proto-

first

protocol, prototype