EN Oxford University Press Oxford University Press A Dictionary of Physics © Oxford University Press 2000, 2003 Published by Oxford University Press, Great Clarendon Street, Oxford OX2 6DP Oxford is a registered trade mark of Oxford University Press All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, without the prior permission in writing of Oxford University Press, or as expressly permitted by law, or under terms agreed with the appropriate reprographics rights organisation. Enquiries concerning reproduction outside the scope of the above should be sent to the Rights Department Oxford University Press. Look up a word or term Look up an abbreviation Look up a person Look up an affix A ab- A prefix attached to the name of a practical electrical unit to provide a name for a unit in the electromagnetic system of units (see electromagnetic units ), e.g. abampere, abcoulomb, abvolt. The prefix is an abbreviation of the word ‘absolute’ as this system is also known as the absolute system . Compare stat- . In modern practice both absolute and electrostatic units have been replaced by SI units . Back - New Search