upper boundary

collocation in English

meaningsofupperandboundary

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withboundary.
upper
adjective[before noun]
uk
/ˈʌp.ər/
us
/ˈʌp.ɚ/
at a higher position or level than something else, or being the top part ...
See more atupper
boundary
noun[C]
uk
/ˈbaʊn.dər.i/
us
/ˈbaʊn.dər.i/
a real or imagined line that marks the edge or limit ...
See more atboundary

(Definition ofupperandboundaryfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofupper boundary

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Figure 6 shows a profile with theupperboundaryvertical at the corner.
From theCambridge English Corpus
In this case, the intense perturbation of theupperboundaryfavours the generation of downstream patches of vortices travelling with high phase velocity.
From theCambridge English Corpus
The plug was inserted to be flush with the upper plate and acted as part of theupperboundary.
From theCambridge English Corpus
Both stands are characterized by a closed canopy layer and a continuous transition towards the adjacent paramo vegetation at theirupperboundary.
From theCambridge English Corpus
Theupperboundaryis situated at the top of the aforementioned fresh-water fauna horizon.
From theCambridge English Corpus
This pair of images shows time-dependent behaviour with an evolving magnetic network at theupperboundary.
From theCambridge English Corpus
Words above theupperboundarymay occur too frequently within the lexicon to return many meaningful biological phenomena.
From theCambridge English Corpus
The location of theupperboundaryis, in the presence of a free surface, assumed to have little effect on the phase velocities.
From theCambridge English Corpus
A loss of resolution is especially pronounced in the mixed layer at theupperboundaryof the ocean, as this layer is vertically homogeneous.
From theCambridge English Corpus
Owing to the stratification these plumes expand rapidly as they impinge upon theupperboundary.
From theCambridge English Corpus
We want to show that eachupperboundaryallows a tiling above with the other boundary being flat.
From theCambridge English Corpus
Theupperboundaryof the formation is erosive and is frequently difficult to identify.
From theCambridge English Corpus
Experiments with a free surface were contrasted with those in which theupperboundarywas a rigid lid.
From theCambridge English Corpus
Figure 2 shows the first six iterates of theupperboundaryline.
From theCambridge English Corpus
This procedure is continued until theupperboundary, free or rigid, is reached.
From theCambridge English Corpus
Since the fluid is inviscid, theupperboundarycould equally well be a free surface with very small gradients.
From theCambridge English Corpus
The rigid-lid boundary condition, used in our investigation, is natural at the bottom, and quite realistic at theupperboundary.
From theCambridge English Corpus
Intense expansion of corona is seen on theupperboundaryof the image.
From theCambridge English Corpus
The proposed controller eliminates the feedback of the varying-parameter rate and fixes itsupperboundary so that the conservatism of the controller design is reduced.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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