I

i igh

Ibn Khaldun

icosahedron igh ,kah suh 'hee druhn

identity igh 'den uh dee i. e. id est id est means "that is" cf. e. g.

Ikeda map

ill-posed 'il ,pohzd

image 'im ij

imaginary ih ,maj uh nair ee

implicit im 'pliss it

improper ,lm 'prahp uhr

incenter ,in ,sen tuhr

incommensurable 'in kuh 'mens uh ruh buhl

incompleteness theorem

inconsistent ,in kuhn 'siss tuhnt

increasing in 'krees i[ng]

Indlekofer

independent ,in di 'pen duhnt

indeterminate ,in de 'tuhrm ihn uht

index 'in deks

induction in 'duhk shuhn

inequality ,in i 'kwahl uh dee

inertia in 'er shuh

infinite 'in fin it

infinitesimal ,in ,fin uh 'tess i muhl

infinity in 'fin uh dee

integer 'in tuh juhr

integral 'in tuh gruhl

integrate 'int uh grayt

intercept ,in tuhr ,sept

interior in ,tir ee uhr

interval 'in tuhr vuhl

Introductio in Analysin Infinitorum (Euler)

intuitionism ,in tu 'wi shuh ,ni zuhm

inverse 'in vuhrs

iota igh 'oh tuh

irrational ih 'rash uhn uhl

irreducible ,ir i 'doo suh buhl

isochrone 'igh suh krohn

isoperimetric ,igh soh ,pair uh 'me trik

On Isoperimetric Figures (Zenodorus)

isosceles igh 'sahss e luhss

iterated 'id uh ,rayd uhd

iteration ,id uh 'ray shuhn

J

Karl Gustav Jakob Jacobi 1804-51 juh 'koh bee

Jacobian juh 'koh bee uhn

Joseph-Marie Jacquard 1752-1834 zhah 'kahR

Ja'rai

James Hopwood Jeans 1877-1946 jeenz

Thomas Jefferson 1743-1826 'jef er suhn

jiva

Vaughan F. Jones

Camille Jordan 1838-1922 zhawr 'dahN

JPEG

Gaston Julia

junction 'juh[ng]k shuhn

W. B. Jurkak

K

Kaestner

Yasumasa Kanada

Immanuel Kant 1724-1804

kappa 'kap uh

Narendra Karmarkar

Jack Karush

Kekeya kay ,kee ah Kekeya needle problem kay ,kee uh 'need uhl 'prahb luhm

Johann Kepler 1571-1630

Brian Kernahan

John Kerrich

Richard Kershner

ket ket

L. G. Khachian

Omar Khayam ?1048-?1131

khet

Mohammed ibn Musa al-Khwarizmi c800-c850 al khwahr 'iz mee (also al-Khowarizime) (ahl KHoh wah reez me)

kilo- 'ki luh

kilometer 'ki luh ,mee tuhr

Jerry P. King

Daniel Kirkwood 1814-

Felix Klein 1849-1925 kliyn

Morris Kline

B. Knaster

Knight

knot naht

Koch curve kahKH kuhrv

Andreï N. Kolmogorov ,kahl muh 'gah rahf

Königsberg k[oe]n 'iks buhrg

Sonja Kowalewski 1850-91 (Sofia Kovalevskaia, Kovalevsky)

Saul Kripke

Vincent Kromarek 1876-1956 kroh mahr ek

Leopold Kronecker 1823-91 'kRoh nek uhr

Joseph Kruskal

Kuen's surface

Kumbakonam

Ernst Kummer 1810-93

Martin Wilhelm Kutta 1867-1944 'mar tin 'vil helm 'kud uh

kybos

L

Miklös Laczkovich

Joseph-Louis Lagrange 1749-1827 luh 'grahNzh

Lagrangian luh 'grahn jee uhn

Clement Lam

lambda 'lam duh

Johann Heinrich Lambert 1728-77

Gabriel Lamé 1795-1870

La Methode (Descarte)

lamina

E. Landau

Lev Landau

Leon Lander

Marquis Pierre Simon de Laplace 1749-1827 luh 'plahss

Laplacian luh 'plahs ee uhn

Jacques Laskar fl. 2000 zhahk lass kahr

lateral 'lad uh ruhl

Latin square 'lat uhn skwair

latus rectum 'lad uhs 'rek tuhm

Henri Lebesgue 1875-1941 ahN ree luh 'beg

Mr. Leblanc

John Leech

Adrien-Marie Legendre 1752-1833 luh 'zhahn druh

R.S. Lehman

Gottfried Wilhelm Leibnitz 1646-1716 'lyp nits English: 'lyb nits

lemma 'lem uh

lemniscate lem 'nis kayt

Le Monde (Descarte)

length le[ng]th

Arjen Lenstra

Leonardo of Pisa 1175-1230

Urbain Le Verrier

Tullio Levi-Civita 'lay vee chee 'vee tah

l' Hôpital 1661-1704 loh pee tal

Lho Shu

Willard Frank Libby 1908-80

Liber abaci (Fibonacci)

Liber de Ludo Aleae (Cardano)

Sophus Lie 1842-99 lee

life lyf

E. M. Lifshitz

limaçon 'lim uh sawn French: ,lee muh 'sohN

limit 'lim it

Shen Lin

C. L. F. Lindemann 1852-1939

line lyn

linear 'lin ee uhr

Joseph Liouville 1809-82 'lyoo ,veel

Hans Lippershey

R. Lipshitz 'lip shits

Jules Antoine Lissajous 1822-1880 zhool ahN twan lee sa 'zhoo

John Littlewood 1885-1977 'lid uhl ,wood

lituus 'lich uh wuhss

Nikolai Lobachevski 1792-1856 loh buh 'chef skee (Lobachevsky, Lobatchewski)

local 'loh kuhl

loci 'loh sigh

locus 'loh kuhss

logarithm 'lahg uh ,rith uhm

logarithmic 'lahg uh ,rith mik

logic 'lahj ik

logical 'lahj i kuhl

logistic law 'jis tik

loop loop

Lord Kelvin

Elisha Scott Loomis

H. A. Lorentz

Edward Lorenz

Ada Lovelace 1815-52

Willian Lowndes

Edouard Lucas 1842-91 'loo kuhss

Ludolph Van Ceulen 1540-1610 loo dolf van 'k[ue] len

Ludolph's number (Ludolphian number, Ludolphine constant)

lune loon

Aleksandr Mikhailovich Lyapunov (Liapunov) 1857-1918 ah lyik 'san duhr mee 'KHy loh vich lyah "poo 'nof

Lyapunov function often pronounced by English speakers as lee 'ap uh nahf 'fuh[ng]k shuhn