Missile gap, term popularized during the late 1950s and early 1960s referring to the perception by U.S. government officials that the United States trailed the Soviet Union in ballistic missile technology.
At the same time, the eye-cup is expanding and growing around the developing optic nerve, eventually sealing over at the lower (ventral) margin (Fig. 1g), closing off a gap termed the choroidal fissure.
The persistent gap, termed the "adaptation deficit," between the assumed ability of communities to adapt to climate change and the on-the-ground evidence of their progress to adapt is well-documented.
The global record industry trade body IFPI used much of its recent report to bemoan what it termed the "value gap" in terms of label income.
We hear about the "generation gap," and terms like hip and square are bandied about.
Some economists explain the gap in terms of technological progress, or a lack of it.
"There is a huge credibility gap in terms of what the rich countries have been doing in their domestic policies.
At least in private and corporate hospitals, the gap in terms of technology and opportunities doesn't exist.
Trump seems unlikely to bridge the gap in terms of female voters against Clinton or Bernie Sanders in November.
Top-ranked Japanese firms are widening the gap, in terms of sales and profits, between themselves and their rivals.
