** H < sub > 2 </ sub > O ( l ) + 240kJ → H < sub > 2 </ sub > O ( g )

** O Sapientia ( Roman Catholic Church )

** O Adonai

** O Rex

** O Radix

** O Clavis

** O Oriens

** O Uraguai by Basílio da Gama ( 1769 )

** Serial I / O (" Link cable "): 512 kbit / s with up to 4 connections in serial

** Infra-red I / O: Less than 2 m distance at 45 °

** Cartridge I / O

** Improved InnoDB I / O subsystem

** Malachy O ' More

** in notation related to Big O notation to describe the asymptotic behavior of functions.

** In notation related to Big O notation, the asymptotically dominant nature of functions

** I / O Port Interface and Control

** Asynch and Synch I / O

** A doubly linked list has O ( 1 ) insertion and deletion at both ends, so is a natural choice for queues.

** nitrous oxide ( N < sub > 2 </ sub > O ; " NOS ", " Laughing Gas ", " Whippets ", " Balloons ")

** " Using Samba "- E-book ( Published by O ' Reilly as ISBN 0-596-00256-4 )

** Spinel: MgAl < sub > 2 </ sub > O < sub > 4 </ sub >, after which this class of minerals is named

** Gahnite: ZnAl < sub > 2 </ sub > O < sub > 4 </ sub >

** Hercynite: FeAl < sub > 2 </ sub > O < sub > 4 </ sub >

** Cuprospinel: CuFe < sub > 2 </ sub > O < sub > 4 </ sub >

** Leslie O ' Neal, American football player

** Patricia Neal, American actress ( The Day The Earth Stood Still ) ( d. 2010 )

** Tom Neal, American actor ( b. 1914 )

** Neal Obermeyer, American editorial cartoonist

** Neal Stephenson's Baroque Cycle

** Neal Fredericks ’ 89-Cinematography

** Hubert Neal ( Surgoinsville )

** Beth Neal ( D )

** Daniel Neal, historian ( born 1678 )

** Neal Hefti ( composer ) for " Batman Theme "

** Neal Joseph & Norman Miller ( producers ) for Tribute-The Songs of Andrae Crouch performed by various artists

** The original plan for Superman's guest appearance would have had him meeting Shaquille O ' Neal ( in his second appearance in the show ), since he was a fan of The Man of Steel.

** Daniel Harding ( conductor ); Ian Bostridge, Neal Davies, Nathan Gunn, Jonathan Lemalu, Matthew Rose, Gidon Saks, Andrew Kennedy, Daniel Teadt, Andrew Tortise, Rodrick Williams, John Fraser ( producer ); London Symphony Orchestra ; Gentlemen Of The London Symphony Chorus ) for Britten: Billy Budd

** The Odd Couple – Neal Hefti

** Ghostbusters – Ray Parker Jr .; Kevin O ' Neal ; Bobby Alessi ; David Immer ; Tom Bailey ; Graham Russell ; David Foster ; Jay Graydon ; Diane Warren ; Mick Smiley ; Elmer Bernstein

** Neal Hefti for " Batman Theme "

** Mike Shipley ( engineer ), Neal Cappellino ( engineer ) and Brad Blackwood ( mastering engineer ) for Paper Airplane ( performed by Alison Krauss & Union Station )

** List of persons with the surname O ' Neill list of individuals under the names O ' Neal, O ' Neil, O ' Neill and other variations

** Murder, She Wrote ( 1992 ) " Badge of Honor " as Neal Dishman

** " Spider in the Web " ( by Paul Neal and Marc Wigmore, in Judge Dredd Megazine # 3. 09-3. 10, 1995 )

** " Barbara " ( by Paul Neal and Marc Wigmore, in Judge Dredd Megazine # 3. 11, 1995 )

** " The Enemy " ( by Paul Neal and Marc Wigmore, in Judge Dredd Megazine # 3. 12-3. 13, 1995 – 1996 )

** " Sacrifices " ( by Paul Neal and Marc Wigmore, in Judge Dredd Megazine # 3. 09-3. 10, 1996 )

** " The Merry Weirdo " ( with Allan Bednar as " Neal Brand ", in 2000 AD # 1083, 1998 )