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happy-go-lucky
happy hard core
happy hour
happy hunting ground
happy medium
happy talk
Hapsburg
hapten
hapteron
haptic
haptics
haptoglobin
haptotropism
hapu
hara-kiri
haram
harangue
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happen on
happen on or happen upon


transitive verb 
Definition:
 
discover something by chance: to discover or encounter somebody or something by chance
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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