The phrase "an approximate width of" is correct and usable in written English.
It can be used when providing an estimation of the width of an object or space.
Example: "The table has an approximate width of 60 inches, making it suitable for the dining area."
Alternatives: "about the width of" or "roughly a width of".
At the current resolution, the six individual subunits can be discerned each having an approximate width of 35 Å.
The central stalk density has an approximate width of 30 Å and projects roughly 70 Å from the base of the A3B3 catalytic complex.
Near its projected insertion point into the A3B3 complex this density has an approximate width of 30 Å, corresponding to the girth of the central stalk in the A3B3DF reconstruction.
The needle's height is about 1200 nm and it has an approximate width of 55 nm.
Groove depths of 240 nm-grooved substrates were 210, 220 and 235 nm with an approximate width of 12.8 μm.
Based on the primary variable of this study, which is the mean change in ACQ-5 score from baseline level, we determined a sample size of about 1000 patients in the entire Asian region to give us a 95% confidence interval (CI) with an approximate width of 0.12 units when standard deviation (SD) is 1.0 unit.
Following the approach described in Section 3.2, the approximate width of an (1 - α 100% CI on υ is, 2 z α /2{var(ν ^ MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8akY=wiFfYdH8Gipec8Eeeu0xXdbba9frFj0=OqFfea0dXdd9vqai=hGuQ8kuc9pgc9s8qqaq=dirpe0xb9q8qiLsFr0=vr0=vr0dc8meaabaqaciaacaGaaeqabaqabeGadaaakeaaiiGacuWF9oGBgaqcaaaa@2E7B@ )}1/2.
This section of the road widens to more than three lanes at some places; however, as an average, there are three lanes in one direction having approximate width of 3.5 m per lane.
Measure the distance between the window jambs and divide this figure by four to find the approximate width of the the shutters you need.
Another, this one the approximate width of the Central Time Zone, covered the grassy berm beyond the center-field fence.
We sought to determine the approximate width of loci reduced in small RNAs in the nrpe mutant as a surrogate for a measurement of RNAP V transcript length, as such transcripts have not yet been identified on a genomic scale.
