1 a problem that you have to deal with before you can make progress: --
2 to run in a race in which there are hurdles to be jumped over, or to jump over something while running: --
5 a problem that you must solve or deal with before you can make progress: --
a hurdle to sth Lack of preparation and lack of financing have been the biggest hurdles to the project's success.
face/overcome a hurdle The first hurdle she faced entering the job market was one of confidence.
In a similar vein, this paper gives further examples of what appear to be well publicized and entrenched hurdles to partnership and participation practices.
However, optimising the dosing and timing regimen will be one of the hurdles in attempting to develop therapeutically efficacious yet nontoxic drug combinations.
I will also present suggestions to help overcome these hurdles.
One of those hurdles, according to some stem cell scientists, is research involving the creation of part-human chimeras.
The first three hurdles, which already exist in most countries, require the demonstration of efficacy, safety, and quality of the manufacturing process.
Passing the hurdles imposed by each additional test should increase confidence in the robustness of the results reported.
Overwhelming social support and a strong family presence helped patients make it through the physical and emotional hurdles of treatment.
The seductive search for universal organizing principles of complex systems drives many researchers, but major hurdles must be overcome.
