The phrase "a comparatively thin" is correct and usable in written English.
It can be used when comparing the thickness of an object or material to others, indicating that it is thinner in relation to them.
Example: "The new model features a comparatively thin design, making it more lightweight than its predecessor."
Alternatives: "relatively thin" or "somewhat thin".
In the late 1990s NASA's Galileo Orbiter provided stunning evidence that Jupiter's enigmatic satellite Europa is in fact a giant pearlescent drop of sea-water with a comparatively thin ice crust and a deep rocky core.
Conversely, a comparatively thin gel was produced from the hydrated alumina and TEA mixture.
It offers a comparatively thin agenda.
Frozen carbon dioxide accumulates as a comparatively thin layer about one metre thick on the north cap in the northern winter only, whereas the south cap has a permanent dry ice cover about eight metres thick.
Collagen fibres in cartilage, the most prominent COMP-expressing tissue, are similar to collagen fibres found in the papillary layer of the dermis characterized by a comparatively thin diameter.
That Stevenson intentionally develops his entire ethical theory around an "informal, common-sense psychology" is a point missed by many commentators, who misconceive Stevenson's ethical theory merely as a "development" of Ayer's comparatively thin emotive theory.
Caylin Sanders, EscapeMaker's president, said the site had until recently focused on quick trips for New Yorkers, so information about states outside the New York region is still comparatively thin.
Perhaps as many as 2,000 Japanese officers and civilians killed themselves over the next few days--an indication of how comparatively thin the layer of last-ditch ultra-nationalism was when the day of reckoning arrived.
On the other hand comparatively thin to thick paleosol profiles represent weak to moderate pedogenic maturity indicating short stratigraphic breaks with rapid loess deposition.
Because of its unique construction: high strength, light-weight lead-coated glass fibre mesh as the grid, comparatively thin plates and sufficient internal compression, this new design provides significant advantages over the conventional prismatic type of VRLA battery.
This formation erodes into almost unclimbable cliffs and escarpments of whitish to yellow-gray sandstones with comparatively thin interbedded layers of shale and mudstone.
