### arithmetic

###### /ˌɛɹɪθˈmɛtɪk/, /ɝˈɪθməˌtɪk/
noun
a branch of mathematics that deals with addition, subtraction, multiplication, etc.

### asymmetry

###### /ˌeɪˈsɪmətɹi/
noun
(geometry) a lack of symmetry or equivalence in shape or size between the two sides or parts of something

### axis

###### /ˈæksəs/
noun
a real or imaginary line about which an object rotates

### calculus

###### /ˈkæɫkjəɫəs/
noun
the branch of mathematics that comprises differentials and integrals

### chaos theory

###### /kˈeɪɑːs θˈiəɹi/
noun
(mathematics) an interdisciplinary theory about complex systems that obey particular laws but appear to have little or no order

### congruent

###### /ˈkɔnɡɹuˌɛnt/
(in geometry) describing shapes of the same size and form

### decimal

###### /ˈdɛsəməɫ/
noun
(mathematics) a number less than one, called a fraction, that is represented as a period followed by the number of tenths, hundredths, etc.

### game theory

###### /ɡˈeɪm θˈiəɹi/
noun
a branch of mathematics that studies the strategies of dealing with competitive situations involving conflict of interests, especially in business, war, etc.

### matrix

###### /ˈmeɪtɹɪks/
noun
(mathematics) a rectangular array of quantities or expressions set out by rows and columns; treated as a single element and manipulated according to rules

### trigonometry

###### /tɹˌɪɡənˈɑːmətɹi/
noun
the mathematics of triangles and trigonometric functions

### Examples

###### /ˈɹeɪdiəs/
noun
a straight line drawn from the center of a circle to any point on its outer boundary; the length that this line has

### parabola

###### /pɝˈæbəɫə/
noun
(geometry) a symmetrical open curve that is similar to the path of an object thrown into the air passes till it falls back to earth

### Examples

###### /ˈɡɹeɪdiənt/
noun
the rate of change of temperature, pressure, etc. between one part and another

### equation

###### /ɪˈkweɪʒən/
noun
(mathematics) a statement indicating the equality between two values

### circumference

###### /ˌsɝˈkəmfɹəns/
noun
(geometry) the length of the external boundary of a curved shape, especially a circle

### mean

###### /ˈmin/
noun
(mathematics) the average value of a set of quantities calculated by adding them, and dividing them by the total number of the quantities

### diameter

###### /daɪˈæmətɝ/
noun
a straight line from one side of a round object, particularly a circle, passing through the center and joining the other side

### coaxial

###### /ˈkoʊˈæksiəɫ/
having a common axis

### chronograph

###### /kɹˈɑːnəɡɹˌæf/
noun
an accurate timer for recording time

### to overhaul

###### /ˈoʊvɝˌhɔɫ/
verb
make repairs, renovations, revisions or adjustments to

### ohmmeter

###### /ˈoʊmiːɾɚ/
noun
a meter for measuring electrical resistance in ohms

### microchip

###### /ˈmaɪˌkɹoʊˈtʃɪp/
noun
a small piece of material that is a semiconductor, used to make an integrated circuit

### lever

###### /ˈɫɛvɝ/, /ˈɫivɝ/
noun
a long rigid bar that is put under a heavy object in order to move it

### insulator

###### /ˈɪnsəˌɫeɪtɝ/
noun
a substance that doesn't conduct heat, sound, etc.

### crank

###### /ˈkɹæŋk/
noun
a device that allows movement between mechanical parts of a machine or converts backward and forward motion into circular movement

### cardinal

###### /ˈkɑɹdənəɫ/, /ˈkɑɹdɪnəɫ/
noun
the number of elements in a mathematical set; denotes a quantity but not the order

### to cube

###### /ˈkjub/
verb
to multiply a value or number by itself two times

### differential calculus

###### /dˌɪfɚɹˈɛnʃəl kˈælkjʊləs/
noun
the part of calculus that deals with the variation of a function with respect to changes in the independent variable (or variables) by means of the concepts of derivative and differential

### logarithm

###### /ˈɫɑɡɝˌɪðəm/
noun
the exponent required to produce a given number

### ordinal

###### /ˈɔːɹdɪnəl/
noun
a number that indicates the position of something in a sequence, such as third, second, etc.

### power

###### /ˈpaʊɝ/
noun
a mathematical notation indicating the number of times a quantity is multiplied by itself