real number 

A real number is a complex number of the form a + bi s.t. b = 0. That is, i, the square root of -1, is not a part of any real number.

Polynomials roots that appear at y = 0 on a graph are real numbers. Most numbers you use everyday are real.

real number by 1338 h4x0r April 2, 2008

Bold Number

A bold number is any number, that is whole between 1-10, then any multiple of ten up to 100, then multiples of 100 up to 1000 etc. This can relate to anything at all, but mainly is used for prices

Person 1: Yo blud, this costs £20
Person 2: Safeee, thats a well bold number, lets get it
Person 1: Yeah man

Bold Number by jh4792 July 25, 2011

My number one rule is RUN UP THROUGH IT 

To have a strictly sensual "no strings attached" relationship with a female. Get in and get it done. A fair exchange.

Macafram: Yo man your name is always on Susies mouthpiece, what's the deal?

Nice N Scmoove: Yea don't sweat it, she's only fretting cause' my number one rule is run up through it released the fluid bounce out cause thats what im bout and she never knew it.

My number one rule is RUN UP THROUGH IT by thaPacketman3 June 24, 2011

i've got your number 

When someone is out to get you or has it in for you!

You banged my girl when you had no business or right to so now I've got your number!

i've got your number by Rey Moolah September 27, 2017

public enemy number one 

Chuck D. and Flava Flav together make up public enemy number one

It takes a nation of millions to hold Chuck D. and Flava Flav back.

public enemy number one by mexicanpolicesquad August 30, 2005

prandtl number 

A stupid number used in heat transfer for correlation of external and internal flows.

I found the prandtl number!

prandtl number by J-Money123 December 27, 2013

Sqube number 

The number which has both square root and cube root.

The numbers 64 and 729 are sqube numbers.

Sqube number by MrHumour April 22, 2017