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Từ điển Oxford Learners Wordfinder Dictionary
overhead



I - noun
1. the expense of maintaining property (e.g., paying property taxes and utilities and insurance);
it does not include depreciation or the cost of financing or income taxes (Freq. 3)
Syn:
operating expense, operating cost, budget items
Topics:
tax, taxation, revenue enhancement
Hypernyms:
expense, disbursal, disbursement
Part Holonyms:
operating budget
2. (computer science) the processing time required by a device prior to the execution of a command
Syn:
command processing overhead time, command processing overhead, command overhead
Topics:
computer science, computing
Hypernyms:
processing time
Part Holonyms:
access time
3. (computer science) the disk space required for information that is not data but is used for location and timing
Syn:
disk overhead
Topics:
computer science, computing
Hypernyms:
disk space, disc space
4. a transparency for use with an overhead projector
Syn:
viewgraph
Hypernyms:
foil, transparency
5. (nautical) the top surface of an enclosed space on a ship
Topics:
seafaring, navigation, sailing
Hypernyms:
ceiling
Part Holonyms:
cabin
6. a hard return hitting the tennis ball above your head
Syn:
smash
Derivationally related forms:
smash (for: smash)
Hypernyms:
return

II - adjective
located or originating from above (Freq. 4)
- an overhead crossing
Ant:
surface, subsurface

III - adverb
1. above your head;
in the sky (Freq. 2)
- planes were flying overhead
2. above the head;
over the head (Freq. 2)
- bring the legs together overhead

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