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gate 1

1. A structure that can be swung, drawn, or lowered to block an entrance or a passageway.
a. An opening in a wall or fence for entrance or exit.
b. The structure surrounding such an opening, such as the monumental or fortified entrance to a palace or walled city.
a. A doorway or walkway in a terminal, as at an airport, through which passengers proceed when embarking or disembarking.
b. A waiting area inside a terminal, abutting such a doorway or walkway.
4. A means of access: the gate to riches.
5. A mountain pass.
6. The total paid attendance or admission receipts at a public event: a good gate at the football game.
7. A device for controlling the passage of water or gas through a dam or conduit.
8. The channel through which molten metal flows into a shaped cavity of a mold.
9. Sports A passage between two upright poles through which a skier must go in a slalom race.
10. A logic gate.
tr.v. gat·ed, gat·ing, gates
1. Chiefly British To confine (a student) to the grounds of a college as punishment.
2. Electronics To select part of (a wave) for transmission, reception, or processing by magnitude or time interval.
3. To furnish with a gate: "The entrance to the rear lawn was also gated" (Dean Koontz).
get the gate Slang
To be dismissed or rejected.
give (someone) the gate Slang
1. To discharge from a job.
2. To reject or jilt.

[Middle English, from Old English geat.]

gate 2

n. Archaic
1. A path or way.
2. A particular way of acting or doing; manner.

[Middle English, from Old Norse gata; see ghē- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈgeɪ tɪŋ)

the process by which a channel in a cell membrane opens or closes.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Reportedly, the Catalyst system will be delivered with the complete software suite with modules for Respiratory Gating, Patient Setup and Positioning and Motion Monitoring.
During acquisition of MRI images, breath-holding or respiratory gating was not implemented in order to simulate the situation during RT; instead, images were obtained during spontaneous breathing.
Ford et al., "Respiratory gating for liver tumors: use in dose escalation," International Journal of Radiation Oncology, Biology, and Physics, vol.
Radiotherapy company Qfix, the exclusive global distributor for spirometry company DYN'R's respiratory gating system, disclosed on Friday the introduction of the new SDX 3.0 Respiratory Gating Platform for optimisation of breathing, managing internal body motion, monitoring the patient's breathing for dose delivery during imaging and radiotherapy for the irradiation of tumour sites affected by respiratory motion including lung, breast and liver tumours.
Ling et al., "Effect of respiratory gating on quantifying PET images of lung cancer," Journal of Nuclear Medicine, vol.
Magnetic resonance imaging with respiratory gating: techniques and advantages.
Most of these patients have needed treatment for prostate or head and neck cancer, although doctors at HDF have also commenced breast cancer treatments using respiratory gating, where the beam automatically switches on and off in tandem with the patient's breathing cycle, it said.
In cases where the patient is unable to hold his/her breath, respiratory gating can also be incorporated, either using a belt around the abdomen or by monitoring the liver-lung interface during the MRI scan.
Where patients are unable to hold their breath, respiratory gating can also be incorporated, either using a belt around the abdomen or monitoring the liver-lung interface using navigator echoes, which are incorporated in some MRI pulse sequences.
Respiratory gating has been used in some centres as a means of compensating for chest movements that naturally occur during respiration [21,22].

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